Home / 284,300.29-392,334.17-163,465.20

Finding the Fourth Proportional to 284,300.29, 392,334.17 and 163,465.20

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Solution

The fourth proportional to 284,300.29, 392,334.17 and 163,465.20 is: 225,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,300.29 : 392,334.17 = 163,465.20 : x
  2. Step 2: Convert to fraction form
    284,300.29/392,334.17 = 163,465.20/x
  3. Step 3: Cross multiply
    284,300.29x = 392,334.17 × 163,465.20
  4. Step 4: Simplify right side
    284,300.29x = 64,132,982,748.56
  5. Step 5: Solve for x
    x = 64,132,982,748.56/284,300.29
  6. Step 6: Final answer
    x = 225,581.84

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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.