Home / 284,215.43-392,220.03-156,888.29

Finding the Fourth Proportional to 284,215.43, 392,220.03 and 156,888.29

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Solution

The fourth proportional to 284,215.43, 392,220.03 and 156,888.29 is: 216,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,215.43 : 392,220.03 = 156,888.29 : x
  2. Step 2: Convert to fraction form
    284,215.43/392,220.03 = 156,888.29/x
  3. Step 3: Cross multiply
    284,215.43x = 392,220.03 × 156,888.29
  4. Step 4: Simplify right side
    284,215.43x = 61,534,729,810.45
  5. Step 5: Solve for x
    x = 61,534,729,810.45/284,215.43
  6. Step 6: Final answer
    x = 216,507.35

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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.