Home / 387,827.68-581,676.72-107,373.28

Finding the Fourth Proportional to 387,827.68, 581,676.72 and 107,373.28

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Solution

The fourth proportional to 387,827.68, 581,676.72 and 107,373.28 is: 161,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,827.68 : 581,676.72 = 107,373.28 : x
  2. Step 2: Convert to fraction form
    387,827.68/581,676.72 = 107,373.28/x
  3. Step 3: Cross multiply
    387,827.68x = 581,676.72 × 107,373.28
  4. Step 4: Simplify right side
    387,827.68x = 62,456,537,326.04
  5. Step 5: Solve for x
    x = 62,456,537,326.04/387,827.68
  6. Step 6: Final answer
    x = 161,041.98

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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.