Home / 261,444.60-392,296.50-103,669.56

Finding the Fourth Proportional to 261,444.60, 392,296.50 and 103,669.56

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Solution

The fourth proportional to 261,444.60, 392,296.50 and 103,669.56 is: 155,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,444.60 : 392,296.50 = 103,669.56 : x
  2. Step 2: Convert to fraction form
    261,444.60/392,296.50 = 103,669.56/x
  3. Step 3: Cross multiply
    261,444.60x = 392,296.50 × 103,669.56
  4. Step 4: Simplify right side
    261,444.60x = 40,669,205,544.54
  5. Step 5: Solve for x
    x = 40,669,205,544.54/261,444.60
  6. Step 6: Final answer
    x = 155,555.73

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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.