Home / 260,731.23-359,814.20-170,145.15

Finding the Fourth Proportional to 260,731.23, 359,814.20 and 170,145.15

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Solution

The fourth proportional to 260,731.23, 359,814.20 and 170,145.15 is: 234,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,731.23 : 359,814.20 = 170,145.15 : x
  2. Step 2: Convert to fraction form
    260,731.23/359,814.20 = 170,145.15/x
  3. Step 3: Cross multiply
    260,731.23x = 359,814.20 × 170,145.15
  4. Step 4: Simplify right side
    260,731.23x = 61,220,640,180.40
  5. Step 5: Solve for x
    x = 61,220,640,180.40/260,731.23
  6. Step 6: Final answer
    x = 234,803.63

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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.