Home / 284,818.14-393,041.26-157,489.38

Finding the Fourth Proportional to 284,818.14, 393,041.26 and 157,489.38

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Solution

The fourth proportional to 284,818.14, 393,041.26 and 157,489.38 is: 217,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,818.14 : 393,041.26 = 157,489.38 : x
  2. Step 2: Convert to fraction form
    284,818.14/393,041.26 = 157,489.38/x
  3. Step 3: Cross multiply
    284,818.14x = 393,041.26 × 157,489.38
  4. Step 4: Simplify right side
    284,818.14x = 61,899,824,548.68
  5. Step 5: Solve for x
    x = 61,899,824,548.68/284,818.14
  6. Step 6: Final answer
    x = 217,331.05

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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.