Home / 447,999.30-672,130.14-132,464.40

Finding the Fourth Proportional to 447,999.30, 672,130.14 and 132,464.40

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Solution

The fourth proportional to 447,999.30, 672,130.14 and 132,464.40 is: 198,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,999.30 : 672,130.14 = 132,464.40 : x
  2. Step 2: Convert to fraction form
    447,999.30/672,130.14 = 132,464.40/x
  3. Step 3: Cross multiply
    447,999.30x = 672,130.14 × 132,464.40
  4. Step 4: Simplify right side
    447,999.30x = 89,033,315,717.02
  5. Step 5: Solve for x
    x = 89,033,315,717.02/447,999.30
  6. Step 6: Final answer
    x = 198,735.39

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1.5x scale

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.