Home / 279,210.24-385,336.80-171,851.04

Finding the Fourth Proportional to 279,210.24, 385,336.80 and 171,851.04

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Solution

The fourth proportional to 279,210.24, 385,336.80 and 171,851.04 is: 237,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,210.24 : 385,336.80 = 171,851.04 : x
  2. Step 2: Convert to fraction form
    279,210.24/385,336.80 = 171,851.04/x
  3. Step 3: Cross multiply
    279,210.24x = 385,336.80 × 171,851.04
  4. Step 4: Simplify right side
    279,210.24x = 66,220,529,830.27
  5. Step 5: Solve for x
    x = 66,220,529,830.27/279,210.24
  6. Step 6: Final answer
    x = 237,170.85

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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.