Home / 285,245.93-393,627.22-156,182.06

Finding the Fourth Proportional to 285,245.93, 393,627.22 and 156,182.06

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Solution

The fourth proportional to 285,245.93, 393,627.22 and 156,182.06 is: 215,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,245.93 : 393,627.22 = 156,182.06 : x
  2. Step 2: Convert to fraction form
    285,245.93/393,627.22 = 156,182.06/x
  3. Step 3: Cross multiply
    285,245.93x = 393,627.22 × 156,182.06
  4. Step 4: Simplify right side
    285,245.93x = 61,477,510,685.29
  5. Step 5: Solve for x
    x = 61,477,510,685.29/285,245.93
  6. Step 6: Final answer
    x = 215,524.58

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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.