Home / 272,500.20-376,018.20-157,755.60

Finding the Fourth Proportional to 272,500.20, 376,018.20 and 157,755.60

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Solution

The fourth proportional to 272,500.20, 376,018.20 and 157,755.60 is: 217,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,500.20 : 376,018.20 = 157,755.60 : x
  2. Step 2: Convert to fraction form
    272,500.20/376,018.20 = 157,755.60/x
  3. Step 3: Cross multiply
    272,500.20x = 376,018.20 × 157,755.60
  4. Step 4: Simplify right side
    272,500.20x = 59,318,976,751.92
  5. Step 5: Solve for x
    x = 59,318,976,751.92/272,500.20
  6. Step 6: Final answer
    x = 217,684.16

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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.