Home / 260,748.02-359,868.74-188,385.12

Finding the Fourth Proportional to 260,748.02, 359,868.74 and 188,385.12

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Solution

The fourth proportional to 260,748.02, 359,868.74 and 188,385.12 is: 259,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748.02 : 359,868.74 = 188,385.12 : x
  2. Step 2: Convert to fraction form
    260,748.02/359,868.74 = 188,385.12/x
  3. Step 3: Cross multiply
    260,748.02x = 359,868.74 × 188,385.12
  4. Step 4: Simplify right side
    260,748.02x = 67,793,914,827.22
  5. Step 5: Solve for x
    x = 67,793,914,827.22/260,748.02
  6. Step 6: Final answer
    x = 259,997.81

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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.