Home / 281,527.12-388,360.20-174,062.80

Finding the Fourth Proportional to 281,527.12, 388,360.20 and 174,062.80

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Solution

The fourth proportional to 281,527.12, 388,360.20 and 174,062.80 is: 240,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,527.12 : 388,360.20 = 174,062.80 : x
  2. Step 2: Convert to fraction form
    281,527.12/388,360.20 = 174,062.80/x
  3. Step 3: Cross multiply
    281,527.12x = 388,360.20 × 174,062.80
  4. Step 4: Simplify right side
    281,527.12x = 67,599,063,820.56
  5. Step 5: Solve for x
    x = 67,599,063,820.56/281,527.12
  6. Step 6: Final answer
    x = 240,115.64

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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.