Home / 284,793.06-392,998.72-157,460.25

Finding the Fourth Proportional to 284,793.06, 392,998.72 and 157,460.25

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Solution

The fourth proportional to 284,793.06, 392,998.72 and 157,460.25 is: 217,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,793.06 : 392,998.72 = 157,460.25 : x
  2. Step 2: Convert to fraction form
    284,793.06/392,998.72 = 157,460.25/x
  3. Step 3: Cross multiply
    284,793.06x = 392,998.72 × 157,460.25
  4. Step 4: Simplify right side
    284,793.06x = 61,881,676,700.88
  5. Step 5: Solve for x
    x = 61,881,676,700.88/284,793.06
  6. Step 6: Final answer
    x = 217,286.46

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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.