Home / 284,742.56-392,952.94-157,426.36

Finding the Fourth Proportional to 284,742.56, 392,952.94 and 157,426.36

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Solution

The fourth proportional to 284,742.56, 392,952.94 and 157,426.36 is: 217,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,742.56 : 392,952.94 = 157,426.36 : x
  2. Step 2: Convert to fraction form
    284,742.56/392,952.94 = 157,426.36/x
  3. Step 3: Cross multiply
    284,742.56x = 392,952.94 × 157,426.36
  4. Step 4: Simplify right side
    284,742.56x = 61,861,149,619.55
  5. Step 5: Solve for x
    x = 61,861,149,619.55/284,742.56
  6. Step 6: Final answer
    x = 217,252.91

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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.