Home / 309,830.27-464,358.02-132,130.04

Finding the Fourth Proportional to 309,830.27, 464,358.02 and 132,130.04

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Solution

The fourth proportional to 309,830.27, 464,358.02 and 132,130.04 is: 198,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,830.27 : 464,358.02 = 132,130.04 : x
  2. Step 2: Convert to fraction form
    309,830.27/464,358.02 = 132,130.04/x
  3. Step 3: Cross multiply
    309,830.27x = 464,358.02 × 132,130.04
  4. Step 4: Simplify right side
    309,830.27x = 61,355,640,774.48
  5. Step 5: Solve for x
    x = 61,355,640,774.48/309,830.27
  6. Step 6: Final answer
    x = 198,029.85

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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.