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Finding the Fourth Proportional to 448,002.30, 672,003.45 and 282,114.30

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Solution

The fourth proportional to 448,002.30, 672,003.45 and 282,114.30 is: 423,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,002.30 : 672,003.45 = 282,114.30 : x
  2. Step 2: Convert to fraction form
    448,002.30/672,003.45 = 282,114.30/x
  3. Step 3: Cross multiply
    448,002.30x = 672,003.45 × 282,114.30
  4. Step 4: Simplify right side
    448,002.30x = 189,581,782,894.34
  5. Step 5: Solve for x
    x = 189,581,782,894.34/448,002.30
  6. Step 6: Final answer
    x = 423,171.45

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Similar ratio
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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.