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Finding the Fourth Proportional to 304,217.80, 456,348.30 and 93,855.40

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Solution

The fourth proportional to 304,217.80, 456,348.30 and 93,855.40 is: 140,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,217.80 : 456,348.30 = 93,855.40 : x
  2. Step 2: Convert to fraction form
    304,217.80/456,348.30 = 93,855.40/x
  3. Step 3: Cross multiply
    304,217.80x = 456,348.30 × 93,855.40
  4. Step 4: Simplify right side
    304,217.80x = 42,830,752,235.82
  5. Step 5: Solve for x
    x = 42,830,752,235.82/304,217.80
  6. Step 6: Final answer
    x = 140,789.76

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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.