Home / 387,264.98-580,056.24-187,165.71

Finding the Fourth Proportional to 387,264.98, 580,056.24 and 187,165.71

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Solution

The fourth proportional to 387,264.98, 580,056.24 and 187,165.71 is: 280,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,264.98 : 580,056.24 = 187,165.71 : x
  2. Step 2: Convert to fraction form
    387,264.98/580,056.24 = 187,165.71/x
  3. Step 3: Cross multiply
    387,264.98x = 580,056.24 × 187,165.71
  4. Step 4: Simplify right side
    387,264.98x = 108,566,637,999.53
  5. Step 5: Solve for x
    x = 108,566,637,999.53/387,264.98
  6. Step 6: Final answer
    x = 280,342.00

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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.