Home / 387,644.06-581,664.88-160,108.58

Finding the Fourth Proportional to 387,644.06, 581,664.88 and 160,108.58

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Solution

The fourth proportional to 387,644.06, 581,664.88 and 160,108.58 is: 240,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,644.06 : 581,664.88 = 160,108.58 : x
  2. Step 2: Convert to fraction form
    387,644.06/581,664.88 = 160,108.58/x
  3. Step 3: Cross multiply
    387,644.06x = 581,664.88 × 160,108.58
  4. Step 4: Simplify right side
    387,644.06x = 93,129,537,972.67
  5. Step 5: Solve for x
    x = 93,129,537,972.67/387,644.06
  6. Step 6: Final answer
    x = 240,244.98

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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.