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Finding the Fourth Proportional to 304,363.60, 456,545.40 and 292,116.40

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Solution

The fourth proportional to 304,363.60, 456,545.40 and 292,116.40 is: 438,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,363.60 : 456,545.40 = 292,116.40 : x
  2. Step 2: Convert to fraction form
    304,363.60/456,545.40 = 292,116.40/x
  3. Step 3: Cross multiply
    304,363.60x = 456,545.40 × 292,116.40
  4. Step 4: Simplify right side
    304,363.60x = 133,364,398,684.56
  5. Step 5: Solve for x
    x = 133,364,398,684.56/304,363.60
  6. Step 6: Final answer
    x = 438,174.60

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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.