Home / 272,812.56-376,500.26-165,387.12

Finding the Fourth Proportional to 272,812.56, 376,500.26 and 165,387.12

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Solution

The fourth proportional to 272,812.56, 376,500.26 and 165,387.12 is: 228,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,812.56 : 376,500.26 = 165,387.12 : x
  2. Step 2: Convert to fraction form
    272,812.56/376,500.26 = 165,387.12/x
  3. Step 3: Cross multiply
    272,812.56x = 376,500.26 × 165,387.12
  4. Step 4: Simplify right side
    272,812.56x = 62,268,293,680.65
  5. Step 5: Solve for x
    x = 62,268,293,680.65/272,812.56
  6. Step 6: Final answer
    x = 228,245.70

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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.