Home / 284,218.44-392,200.18-163,360.04

Finding the Fourth Proportional to 284,218.44, 392,200.18 and 163,360.04

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Solution

The fourth proportional to 284,218.44, 392,200.18 and 163,360.04 is: 225,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,218.44 : 392,200.18 = 163,360.04 : x
  2. Step 2: Convert to fraction form
    284,218.44/392,200.18 = 163,360.04/x
  3. Step 3: Cross multiply
    284,218.44x = 392,200.18 × 163,360.04
  4. Step 4: Simplify right side
    284,218.44x = 64,069,837,092.81
  5. Step 5: Solve for x
    x = 64,069,837,092.81/284,218.44
  6. Step 6: Final answer
    x = 225,424.63

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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.