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Finding the Fourth Proportional to 344,490.30, 515,569.05 and 302,499.90

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Solution

The fourth proportional to 344,490.30, 515,569.05 and 302,499.90 is: 452,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,490.30 : 515,569.05 = 302,499.90 : x
  2. Step 2: Convert to fraction form
    344,490.30/515,569.05 = 302,499.90/x
  3. Step 3: Cross multiply
    344,490.30x = 515,569.05 × 302,499.90
  4. Step 4: Simplify right side
    344,490.30x = 155,959,586,068.10
  5. Step 5: Solve for x
    x = 155,959,586,068.10/344,490.30
  6. Step 6: Final answer
    x = 452,725.62

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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.