Home / 438,438.56-657,701.03-182,218.28

Finding the Fourth Proportional to 438,438.56, 657,701.03 and 182,218.28

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Solution

The fourth proportional to 438,438.56, 657,701.03 and 182,218.28 is: 273,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,438.56 : 657,701.03 = 182,218.28 : x
  2. Step 2: Convert to fraction form
    438,438.56/657,701.03 = 182,218.28/x
  3. Step 3: Cross multiply
    438,438.56x = 657,701.03 × 182,218.28
  4. Step 4: Simplify right side
    438,438.56x = 119,845,147,607.87
  5. Step 5: Solve for x
    x = 119,845,147,607.87/438,438.56
  6. Step 6: Final answer
    x = 273,345.37

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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.