Home / 338,938.54-508,421.04-102,281.26

Finding the Fourth Proportional to 338,938.54, 508,421.04 and 102,281.26

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Solution

The fourth proportional to 338,938.54, 508,421.04 and 102,281.26 is: 153,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,938.54 : 508,421.04 = 102,281.26 : x
  2. Step 2: Convert to fraction form
    338,938.54/508,421.04 = 102,281.26/x
  3. Step 3: Cross multiply
    338,938.54x = 508,421.04 × 102,281.26
  4. Step 4: Simplify right side
    338,938.54x = 52,001,944,581.71
  5. Step 5: Solve for x
    x = 52,001,944,581.71/338,938.54
  6. Step 6: Final answer
    x = 153,425.88

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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.