Home / 438,002.67-657,004.61-122,459.27

Finding the Fourth Proportional to 438,002.67, 657,004.61 and 122,459.27

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Solution

The fourth proportional to 438,002.67, 657,004.61 and 122,459.27 is: 183,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,002.67 : 657,004.61 = 122,459.27 : x
  2. Step 2: Convert to fraction form
    438,002.67/657,004.61 = 122,459.27/x
  3. Step 3: Cross multiply
    438,002.67x = 657,004.61 × 122,459.27
  4. Step 4: Simplify right side
    438,002.67x = 80,456,304,927.23
  5. Step 5: Solve for x
    x = 80,456,304,927.23/438,002.67
  6. Step 6: Final answer
    x = 183,689.07

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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.