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Finding the Fourth Proportional to 189,552.96, 284,332.51 and 63,191.49

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Solution

The fourth proportional to 189,552.96, 284,332.51 and 63,191.49 is: 94,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.96 : 284,332.51 = 63,191.49 : x
  2. Step 2: Convert to fraction form
    189,552.96/284,332.51 = 63,191.49/x
  3. Step 3: Cross multiply
    189,552.96x = 284,332.51 × 63,191.49
  4. Step 4: Simplify right side
    189,552.96x = 17,967,394,962.34
  5. Step 5: Solve for x
    x = 17,967,394,962.34/189,552.96
  6. Step 6: Final answer
    x = 94,788.26

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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.