Home / 260,254.02-390,419.91-82,766.82

Finding the Fourth Proportional to 260,254.02, 390,419.91 and 82,766.82

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Solution

The fourth proportional to 260,254.02, 390,419.91 and 82,766.82 is: 124,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,254.02 : 390,419.91 = 82,766.82 : x
  2. Step 2: Convert to fraction form
    260,254.02/390,419.91 = 82,766.82/x
  3. Step 3: Cross multiply
    260,254.02x = 390,419.91 × 82,766.82
  4. Step 4: Simplify right side
    260,254.02x = 32,313,814,415.39
  5. Step 5: Solve for x
    x = 32,313,814,415.39/260,254.02
  6. Step 6: Final answer
    x = 124,162.59

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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.