Home / 304,511.40-456,767.10-218,890.35

Finding the Fourth Proportional to 304,511.40, 456,767.10 and 218,890.35

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Solution

The fourth proportional to 304,511.40, 456,767.10 and 218,890.35 is: 328,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,511.40 : 456,767.10 = 218,890.35 : x
  2. Step 2: Convert to fraction form
    304,511.40/456,767.10 = 218,890.35/x
  3. Step 3: Cross multiply
    304,511.40x = 456,767.10 × 218,890.35
  4. Step 4: Simplify right side
    304,511.40x = 99,981,910,387.49
  5. Step 5: Solve for x
    x = 99,981,910,387.49/304,511.40
  6. Step 6: Final answer
    x = 328,335.53

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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.