Home / 438,017.16-657,026.82-122,473.56

Finding the Fourth Proportional to 438,017.16, 657,026.82 and 122,473.56

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Solution

The fourth proportional to 438,017.16, 657,026.82 and 122,473.56 is: 183,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,017.16 : 657,026.82 = 122,473.56 : x
  2. Step 2: Convert to fraction form
    438,017.16/657,026.82 = 122,473.56/x
  3. Step 3: Cross multiply
    438,017.16x = 657,026.82 × 122,473.56
  4. Step 4: Simplify right side
    438,017.16x = 80,468,413,660.88
  5. Step 5: Solve for x
    x = 80,468,413,660.88/438,017.16
  6. Step 6: Final answer
    x = 183,710.64

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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.