Home / 284,499.92-392,621.18-163,641.08

Finding the Fourth Proportional to 284,499.92, 392,621.18 and 163,641.08

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Solution

The fourth proportional to 284,499.92, 392,621.18 and 163,641.08 is: 225,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,499.92 : 392,621.18 = 163,641.08 : x
  2. Step 2: Convert to fraction form
    284,499.92/392,621.18 = 163,641.08/x
  3. Step 3: Cross multiply
    284,499.92x = 392,621.18 × 163,641.08
  4. Step 4: Simplify right side
    284,499.92x = 64,248,953,926.07
  5. Step 5: Solve for x
    x = 64,248,953,926.07/284,499.92
  6. Step 6: Final answer
    x = 225,831.18

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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.