Home / 284,380.07-392,446.82-157,057.79

Finding the Fourth Proportional to 284,380.07, 392,446.82 and 157,057.79

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Solution

The fourth proportional to 284,380.07, 392,446.82 and 157,057.79 is: 216,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,380.07 : 392,446.82 = 157,057.79 : x
  2. Step 2: Convert to fraction form
    284,380.07/392,446.82 = 157,057.79/x
  3. Step 3: Cross multiply
    284,380.07x = 392,446.82 × 157,057.79
  4. Step 4: Simplify right side
    284,380.07x = 61,636,828,672.14
  5. Step 5: Solve for x
    x = 61,636,828,672.14/284,380.07
  6. Step 6: Final answer
    x = 216,741.03

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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.