Home / 284,744.12-392,930.00-157,412.12

Finding the Fourth Proportional to 284,744.12, 392,930.00 and 157,412.12

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Solution

The fourth proportional to 284,744.12, 392,930.00 and 157,412.12 is: 217,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,744.12 : 392,930.00 = 157,412.12 : x
  2. Step 2: Convert to fraction form
    284,744.12/392,930.00 = 157,412.12/x
  3. Step 3: Cross multiply
    284,744.12x = 392,930.00 × 157,412.12
  4. Step 4: Simplify right side
    284,744.12x = 61,851,941,559.89
  5. Step 5: Solve for x
    x = 61,851,941,559.89/284,744.12
  6. Step 6: Final answer
    x = 217,219.39

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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.