Home / 284,039.85-392,009.70-163,180.91

Finding the Fourth Proportional to 284,039.85, 392,009.70 and 163,180.91

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Solution

The fourth proportional to 284,039.85, 392,009.70 and 163,180.91 is: 225,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,039.85 : 392,009.70 = 163,180.91 : x
  2. Step 2: Convert to fraction form
    284,039.85/392,009.70 = 163,180.91/x
  3. Step 3: Cross multiply
    284,039.85x = 392,009.70 × 163,180.91
  4. Step 4: Simplify right side
    284,039.85x = 63,968,497,614.78
  5. Step 5: Solve for x
    x = 63,968,497,614.78/284,039.85
  6. Step 6: Final answer
    x = 225,209.59

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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.