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Finding the Fourth Proportional to 273,649.60, 409,696.80 and 242,545.60

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Solution

The fourth proportional to 273,649.60, 409,696.80 and 242,545.60 is: 363,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,649.60 : 409,696.80 = 242,545.60 : x
  2. Step 2: Convert to fraction form
    273,649.60/409,696.80 = 242,545.60/x
  3. Step 3: Cross multiply
    273,649.60x = 409,696.80 × 242,545.60
  4. Step 4: Simplify right side
    273,649.60x = 99,370,156,174.08
  5. Step 5: Solve for x
    x = 99,370,156,174.08/273,649.60
  6. Step 6: Final answer
    x = 363,129.18

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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.