Home / 403,246.30-604,869.45-137,307.10

Finding the Fourth Proportional to 403,246.30, 604,869.45 and 137,307.10

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Solution

The fourth proportional to 403,246.30, 604,869.45 and 137,307.10 is: 205,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,246.30 : 604,869.45 = 137,307.10 : x
  2. Step 2: Convert to fraction form
    403,246.30/604,869.45 = 137,307.10/x
  3. Step 3: Cross multiply
    403,246.30x = 604,869.45 × 137,307.10
  4. Step 4: Simplify right side
    403,246.30x = 83,052,870,058.10
  5. Step 5: Solve for x
    x = 83,052,870,058.10/403,246.30
  6. Step 6: Final answer
    x = 205,960.65

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Similar ratio
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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.