Home / 338,780.36-508,170.12-102,123.02

Finding the Fourth Proportional to 338,780.36, 508,170.12 and 102,123.02

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Solution

The fourth proportional to 338,780.36, 508,170.12 and 102,123.02 is: 153,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,780.36 : 508,170.12 = 102,123.02 : x
  2. Step 2: Convert to fraction form
    338,780.36/508,170.12 = 102,123.02/x
  3. Step 3: Cross multiply
    338,780.36x = 508,170.12 × 102,123.02
  4. Step 4: Simplify right side
    338,780.36x = 51,895,864,787.31
  5. Step 5: Solve for x
    x = 51,895,864,787.31/338,780.36
  6. Step 6: Final answer
    x = 153,184.40

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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.