Home / 284,890.06-393,247.20-164,079.55

Finding the Fourth Proportional to 284,890.06, 393,247.20 and 164,079.55

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Solution

The fourth proportional to 284,890.06, 393,247.20 and 164,079.55 is: 226,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,890.06 : 393,247.20 = 164,079.55 : x
  2. Step 2: Convert to fraction form
    284,890.06/393,247.20 = 164,079.55/x
  3. Step 3: Cross multiply
    284,890.06x = 393,247.20 × 164,079.55
  4. Step 4: Simplify right side
    284,890.06x = 64,523,823,614.76
  5. Step 5: Solve for x
    x = 64,523,823,614.76/284,890.06
  6. Step 6: Final answer
    x = 226,486.75

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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.