Home / 316,126.92-436,267.17-180,182.34

Finding the Fourth Proportional to 316,126.92, 436,267.17 and 180,182.34

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Solution

The fourth proportional to 316,126.92, 436,267.17 and 180,182.34 is: 248,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,126.92 : 436,267.17 = 180,182.34 : x
  2. Step 2: Convert to fraction form
    316,126.92/436,267.17 = 180,182.34/x
  3. Step 3: Cross multiply
    316,126.92x = 436,267.17 × 180,182.34
  4. Step 4: Simplify right side
    316,126.92x = 78,607,639,555.78
  5. Step 5: Solve for x
    x = 78,607,639,555.78/316,126.92
  6. Step 6: Final answer
    x = 248,658.48

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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.