Home / 387,265.08-580,056.42-187,165.82

Finding the Fourth Proportional to 387,265.08, 580,056.42 and 187,165.82

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Solution

The fourth proportional to 387,265.08, 580,056.42 and 187,165.82 is: 280,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,265.08 : 580,056.42 = 187,165.82 : x
  2. Step 2: Convert to fraction form
    387,265.08/580,056.42 = 187,165.82/x
  3. Step 3: Cross multiply
    387,265.08x = 580,056.42 × 187,165.82
  4. Step 4: Simplify right side
    387,265.08x = 108,566,735,495.56
  5. Step 5: Solve for x
    x = 108,566,735,495.56/387,265.08
  6. Step 6: Final answer
    x = 280,342.18

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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.