Home / 261,809.40-361,298.70-148,634.04

Finding the Fourth Proportional to 261,809.40, 361,298.70 and 148,634.04

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Solution

The fourth proportional to 261,809.40, 361,298.70 and 148,634.04 is: 205,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,809.40 : 361,298.70 = 148,634.04 : x
  2. Step 2: Convert to fraction form
    261,809.40/361,298.70 = 148,634.04/x
  3. Step 3: Cross multiply
    261,809.40x = 361,298.70 × 148,634.04
  4. Step 4: Simplify right side
    261,809.40x = 53,701,285,427.75
  5. Step 5: Solve for x
    x = 53,701,285,427.75/261,809.40
  6. Step 6: Final answer
    x = 205,115.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.