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Finding the Fourth Proportional to 152,458.84, 228,646.95 and 63,693.78

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Solution

The fourth proportional to 152,458.84, 228,646.95 and 63,693.78 is: 95,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,458.84 : 228,646.95 = 63,693.78 : x
  2. Step 2: Convert to fraction form
    152,458.84/228,646.95 = 63,693.78/x
  3. Step 3: Cross multiply
    152,458.84x = 228,646.95 × 63,693.78
  4. Step 4: Simplify right side
    152,458.84x = 14,563,388,530.97
  5. Step 5: Solve for x
    x = 14,563,388,530.97/152,458.84
  6. Step 6: Final answer
    x = 95,523.41

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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.