Home / 403,394.11-604,715.27-136,972.40

Finding the Fourth Proportional to 403,394.11, 604,715.27 and 136,972.40

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Solution

The fourth proportional to 403,394.11, 604,715.27 and 136,972.40 is: 205,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,394.11 : 604,715.27 = 136,972.40 : x
  2. Step 2: Convert to fraction form
    403,394.11/604,715.27 = 136,972.40/x
  3. Step 3: Cross multiply
    403,394.11x = 604,715.27 × 136,972.40
  4. Step 4: Simplify right side
    403,394.11x = 82,829,298,824.97
  5. Step 5: Solve for x
    x = 82,829,298,824.97/403,394.11
  6. Step 6: Final answer
    x = 205,330.96

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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.