Home / 438,345.44-657,555.60-154,011.14

Finding the Fourth Proportional to 438,345.44, 657,555.60 and 154,011.14

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Solution

The fourth proportional to 438,345.44, 657,555.60 and 154,011.14 is: 231,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,345.44 : 657,555.60 = 154,011.14 : x
  2. Step 2: Convert to fraction form
    438,345.44/657,555.60 = 154,011.14/x
  3. Step 3: Cross multiply
    438,345.44x = 657,555.60 × 154,011.14
  4. Step 4: Simplify right side
    438,345.44x = 101,270,887,569.38
  5. Step 5: Solve for x
    x = 101,270,887,569.38/438,345.44
  6. Step 6: Final answer
    x = 231,029.86

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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.