Home / 212,249.32-318,264.42-62,470.20

Finding the Fourth Proportional to 212,249.32, 318,264.42 and 62,470.20

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Solution

The fourth proportional to 212,249.32, 318,264.42 and 62,470.20 is: 93,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,249.32 : 318,264.42 = 62,470.20 : x
  2. Step 2: Convert to fraction form
    212,249.32/318,264.42 = 62,470.20/x
  3. Step 3: Cross multiply
    212,249.32x = 318,264.42 × 62,470.20
  4. Step 4: Simplify right side
    212,249.32x = 19,882,041,970.28
  5. Step 5: Solve for x
    x = 19,882,041,970.28/212,249.32
  6. Step 6: Final answer
    x = 93,673.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.