Home / 261,799.74-392,714.19-74,816.10

Finding the Fourth Proportional to 261,799.74, 392,714.19 and 74,816.10

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Solution

The fourth proportional to 261,799.74, 392,714.19 and 74,816.10 is: 112,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,799.74 : 392,714.19 = 74,816.10 : x
  2. Step 2: Convert to fraction form
    261,799.74/392,714.19 = 74,816.10/x
  3. Step 3: Cross multiply
    261,799.74x = 392,714.19 × 74,816.10
  4. Step 4: Simplify right side
    261,799.74x = 29,381,344,110.46
  5. Step 5: Solve for x
    x = 29,381,344,110.46/261,799.74
  6. Step 6: Final answer
    x = 112,228.32

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1.5x scale

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.