Home / 502,046.90-753,065.55-122,969.30

Finding the Fourth Proportional to 502,046.90, 753,065.55 and 122,969.30

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Solution

The fourth proportional to 502,046.90, 753,065.55 and 122,969.30 is: 184,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,046.90 : 753,065.55 = 122,969.30 : x
  2. Step 2: Convert to fraction form
    502,046.90/753,065.55 = 122,969.30/x
  3. Step 3: Cross multiply
    502,046.90x = 753,065.55 × 122,969.30
  4. Step 4: Simplify right side
    502,046.90x = 92,603,943,537.62
  5. Step 5: Solve for x
    x = 92,603,943,537.62/502,046.90
  6. Step 6: Final answer
    x = 184,452.77

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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.