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Finding the Fourth Proportional to 152,600.70, 228,901.05 and 77,951.10

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Solution

The fourth proportional to 152,600.70, 228,901.05 and 77,951.10 is: 116,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,600.70 : 228,901.05 = 77,951.10 : x
  2. Step 2: Convert to fraction form
    152,600.70/228,901.05 = 77,951.10/x
  3. Step 3: Cross multiply
    152,600.70x = 228,901.05 × 77,951.10
  4. Step 4: Simplify right side
    152,600.70x = 17,843,088,638.66
  5. Step 5: Solve for x
    x = 17,843,088,638.66/152,600.70
  6. Step 6: Final answer
    x = 116,926.65

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1.5x scale

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.