Home / 284,653.12-392,821.68-163,792

Finding the Fourth Proportional to 284,653.12, 392,821.68 and 163,792

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Solution

The fourth proportional to 284,653.12, 392,821.68 and 163,792 is: 226,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653.12 : 392,821.68 = 163,792 : x
  2. Step 2: Convert to fraction form
    284,653.12/392,821.68 = 163,792/x
  3. Step 3: Cross multiply
    284,653.12x = 392,821.68 × 163,792
  4. Step 4: Simplify right side
    284,653.12x = 64,341,048,610.56
  5. Step 5: Solve for x
    x = 64,341,048,610.56/284,653.12
  6. Step 6: Final answer
    x = 226,033.18

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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.