Home / 302,537.24-417,630.60-215,378.61

Finding the Fourth Proportional to 302,537.24, 417,630.60 and 215,378.61

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Solution

The fourth proportional to 302,537.24, 417,630.60 and 215,378.61 is: 297,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,537.24 : 417,630.60 = 215,378.61 : x
  2. Step 2: Convert to fraction form
    302,537.24/417,630.60 = 215,378.61/x
  3. Step 3: Cross multiply
    302,537.24x = 417,630.60 × 215,378.61
  4. Step 4: Simplify right side
    302,537.24x = 89,948,698,121.47
  5. Step 5: Solve for x
    x = 89,948,698,121.47/302,537.24
  6. Step 6: Final answer
    x = 297,314.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.