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Finding the Fourth Proportional to 152,404.40, 228,606.60 and 63,657.20

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Solution

The fourth proportional to 152,404.40, 228,606.60 and 63,657.20 is: 95,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,404.40 : 228,606.60 = 63,657.20 : x
  2. Step 2: Convert to fraction form
    152,404.40/228,606.60 = 63,657.20/x
  3. Step 3: Cross multiply
    152,404.40x = 228,606.60 × 63,657.20
  4. Step 4: Simplify right side
    152,404.40x = 14,552,456,057.52
  5. Step 5: Solve for x
    x = 14,552,456,057.52/152,404.40
  6. Step 6: Final answer
    x = 95,485.80

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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.