Home / 260,666.45-359,725.16-147,489.20

Finding the Fourth Proportional to 260,666.45, 359,725.16 and 147,489.20

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Solution

The fourth proportional to 260,666.45, 359,725.16 and 147,489.20 is: 203,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,666.45 : 359,725.16 = 147,489.20 : x
  2. Step 2: Convert to fraction form
    260,666.45/359,725.16 = 147,489.20/x
  3. Step 3: Cross multiply
    260,666.45x = 359,725.16 × 147,489.20
  4. Step 4: Simplify right side
    260,666.45x = 53,055,573,532.20
  5. Step 5: Solve for x
    x = 53,055,573,532.20/260,666.45
  6. Step 6: Final answer
    x = 203,538.18

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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.