Home / 438,210.03-657,387.66-153,826.80

Finding the Fourth Proportional to 438,210.03, 657,387.66 and 153,826.80

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Solution

The fourth proportional to 438,210.03, 657,387.66 and 153,826.80 is: 230,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,210.03 : 657,387.66 = 153,826.80 : x
  2. Step 2: Convert to fraction form
    438,210.03/657,387.66 = 153,826.80/x
  3. Step 3: Cross multiply
    438,210.03x = 657,387.66 × 153,826.80
  4. Step 4: Simplify right side
    438,210.03x = 101,123,840,097.29
  5. Step 5: Solve for x
    x = 101,123,840,097.29/438,210.03
  6. Step 6: Final answer
    x = 230,765.69

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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.