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Finding the Fourth Proportional to 451,606.38, 677,409.56 and 152,061.87

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Solution

The fourth proportional to 451,606.38, 677,409.56 and 152,061.87 is: 228,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,606.38 : 677,409.56 = 152,061.87 : x
  2. Step 2: Convert to fraction form
    451,606.38/677,409.56 = 152,061.87/x
  3. Step 3: Cross multiply
    451,606.38x = 677,409.56 × 152,061.87
  4. Step 4: Simplify right side
    451,606.38x = 103,008,164,069.32
  5. Step 5: Solve for x
    x = 103,008,164,069.32/451,606.38
  6. Step 6: Final answer
    x = 228,092.80

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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.