Home / 285,264.24-393,637.32-170,520.12

Finding the Fourth Proportional to 285,264.24, 393,637.32 and 170,520.12

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Solution

The fourth proportional to 285,264.24, 393,637.32 and 170,520.12 is: 235,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,264.24 : 393,637.32 = 170,520.12 : x
  2. Step 2: Convert to fraction form
    285,264.24/393,637.32 = 170,520.12/x
  3. Step 3: Cross multiply
    285,264.24x = 393,637.32 × 170,520.12
  4. Step 4: Simplify right side
    285,264.24x = 67,123,083,042.88
  5. Step 5: Solve for x
    x = 67,123,083,042.88/285,264.24
  6. Step 6: Final answer
    x = 235,301.43

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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.