Home / 415,634.35-623,257.76-215,901.11

Finding the Fourth Proportional to 415,634.35, 623,257.76 and 215,901.11

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Solution

The fourth proportional to 415,634.35, 623,257.76 and 215,901.11 is: 323,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,634.35 : 623,257.76 = 215,901.11 : x
  2. Step 2: Convert to fraction form
    415,634.35/623,257.76 = 215,901.11/x
  3. Step 3: Cross multiply
    415,634.35x = 623,257.76 × 215,901.11
  4. Step 4: Simplify right side
    415,634.35x = 134,562,042,200.11
  5. Step 5: Solve for x
    x = 134,562,042,200.11/415,634.35
  6. Step 6: Final answer
    x = 323,751.01

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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.