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Finding the Fourth Proportional to 189,302.77, 283,892.75 and 62,909.06

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Solution

The fourth proportional to 189,302.77, 283,892.75 and 62,909.06 is: 94,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,302.77 : 283,892.75 = 62,909.06 : x
  2. Step 2: Convert to fraction form
    189,302.77/283,892.75 = 62,909.06/x
  3. Step 3: Cross multiply
    189,302.77x = 283,892.75 × 62,909.06
  4. Step 4: Simplify right side
    189,302.77x = 17,859,424,545.21
  5. Step 5: Solve for x
    x = 17,859,424,545.21/189,302.77
  6. Step 6: Final answer
    x = 94,343.18

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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.