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Finding the Fourth Proportional to 450,145.80, 675,024.30 and 225,419.40

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Solution

The fourth proportional to 450,145.80, 675,024.30 and 225,419.40 is: 338,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,145.80 : 675,024.30 = 225,419.40 : x
  2. Step 2: Convert to fraction form
    450,145.80/675,024.30 = 225,419.40/x
  3. Step 3: Cross multiply
    450,145.80x = 675,024.30 × 225,419.40
  4. Step 4: Simplify right side
    450,145.80x = 152,163,572,691.42
  5. Step 5: Solve for x
    x = 152,163,572,691.42/450,145.80
  6. Step 6: Final answer
    x = 338,031.75

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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.