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Finding the Fourth Proportional to 276,545.60, 414,526.80 and 108,000.80

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Solution

The fourth proportional to 276,545.60, 414,526.80 and 108,000.80 is: 161,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,545.60 : 414,526.80 = 108,000.80 : x
  2. Step 2: Convert to fraction form
    276,545.60/414,526.80 = 108,000.80/x
  3. Step 3: Cross multiply
    276,545.60x = 414,526.80 × 108,000.80
  4. Step 4: Simplify right side
    276,545.60x = 44,769,226,021.44
  5. Step 5: Solve for x
    x = 44,769,226,021.44/276,545.60
  6. Step 6: Final answer
    x = 161,887.32

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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.