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Finding the Fourth Proportional to 152,305.76, 228,553.12 and 73,428

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Solution

The fourth proportional to 152,305.76, 228,553.12 and 73,428 is: 110,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,305.76 : 228,553.12 = 73,428 : x
  2. Step 2: Convert to fraction form
    152,305.76/228,553.12 = 73,428/x
  3. Step 3: Cross multiply
    152,305.76x = 228,553.12 × 73,428
  4. Step 4: Simplify right side
    152,305.76x = 16,782,198,495.36
  5. Step 5: Solve for x
    x = 16,782,198,495.36/152,305.76
  6. Step 6: Final answer
    x = 110,187.55

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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.