Home / 424,472.37-585,855.05-243,305.61

Finding the Fourth Proportional to 424,472.37, 585,855.05 and 243,305.61

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Solution

The fourth proportional to 424,472.37, 585,855.05 and 243,305.61 is: 335,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,472.37 : 585,855.05 = 243,305.61 : x
  2. Step 2: Convert to fraction form
    424,472.37/585,855.05 = 243,305.61/x
  3. Step 3: Cross multiply
    424,472.37x = 585,855.05 × 243,305.61
  4. Step 4: Simplify right side
    424,472.37x = 142,541,816,898.35
  5. Step 5: Solve for x
    x = 142,541,816,898.35/424,472.37
  6. Step 6: Final answer
    x = 335,809.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.