Home / 260,371.46-390,723.04-174,012.30

Finding the Fourth Proportional to 260,371.46, 390,723.04 and 174,012.30

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Solution

The fourth proportional to 260,371.46, 390,723.04 and 174,012.30 is: 261,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,371.46 : 390,723.04 = 174,012.30 : x
  2. Step 2: Convert to fraction form
    260,371.46/390,723.04 = 174,012.30/x
  3. Step 3: Cross multiply
    260,371.46x = 390,723.04 × 174,012.30
  4. Step 4: Simplify right side
    260,371.46x = 67,990,615,070.91
  5. Step 5: Solve for x
    x = 67,990,615,070.91/260,371.46
  6. Step 6: Final answer
    x = 261,129.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.