Home / 268,621.20-370,656.72-153,882

Finding the Fourth Proportional to 268,621.20, 370,656.72 and 153,882

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Solution

The fourth proportional to 268,621.20, 370,656.72 and 153,882 is: 212,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,621.20 : 370,656.72 = 153,882 : x
  2. Step 2: Convert to fraction form
    268,621.20/370,656.72 = 153,882/x
  3. Step 3: Cross multiply
    268,621.20x = 370,656.72 × 153,882
  4. Step 4: Simplify right side
    268,621.20x = 57,037,397,387.04
  5. Step 5: Solve for x
    x = 57,037,397,387.04/268,621.20
  6. Step 6: Final answer
    x = 212,333.94

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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.