Home / 261,342,246.40-392,202,326.40-146,204,569.60

Finding the Fourth Proportional to 261,342,246.40, 392,202,326.40 and 146,204,569.60

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Solution

The fourth proportional to 261,342,246.40, 392,202,326.40 and 146,204,569.60 is: 219,412,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,342,246.40 : 392,202,326.40 = 146,204,569.60 : x
  2. Step 2: Convert to fraction form
    261,342,246.40/392,202,326.40 = 146,204,569.60/x
  3. Step 3: Cross multiply
    261,342,246.40x = 392,202,326.40 × 146,204,569.60
  4. Step 4: Simplify right side
    261,342,246.40x = 57,341,772,327,430,712
  5. Step 5: Solve for x
    x = 57,341,772,327,430,712/261,342,246.40
  6. Step 6: Final answer
    x = 219,412,563.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.