Home / 448,316.04-672,476.22-132,778.92

Finding the Fourth Proportional to 448,316.04, 672,476.22 and 132,778.92

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Solution

The fourth proportional to 448,316.04, 672,476.22 and 132,778.92 is: 199,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,316.04 : 672,476.22 = 132,778.92 : x
  2. Step 2: Convert to fraction form
    448,316.04/672,476.22 = 132,778.92/x
  3. Step 3: Cross multiply
    448,316.04x = 672,476.22 × 132,778.92
  4. Step 4: Simplify right side
    448,316.04x = 89,290,666,217.28
  5. Step 5: Solve for x
    x = 89,290,666,217.28/448,316.04
  6. Step 6: Final answer
    x = 199,169.02

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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.