Home / 316,910.22-437,348.10-180,966.30

Finding the Fourth Proportional to 316,910.22, 437,348.10 and 180,966.30

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Solution

The fourth proportional to 316,910.22, 437,348.10 and 180,966.30 is: 249,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,910.22 : 437,348.10 = 180,966.30 : x
  2. Step 2: Convert to fraction form
    316,910.22/437,348.10 = 180,966.30/x
  3. Step 3: Cross multiply
    316,910.22x = 437,348.10 × 180,966.30
  4. Step 4: Simplify right side
    316,910.22x = 79,145,267,469.03
  5. Step 5: Solve for x
    x = 79,145,267,469.03/316,910.22
  6. Step 6: Final answer
    x = 249,740.34

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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.