Home / 260,160.12-390,231.18-110,304.04

Finding the Fourth Proportional to 260,160.12, 390,231.18 and 110,304.04

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Solution

The fourth proportional to 260,160.12, 390,231.18 and 110,304.04 is: 165,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,160.12 : 390,231.18 = 110,304.04 : x
  2. Step 2: Convert to fraction form
    260,160.12/390,231.18 = 110,304.04/x
  3. Step 3: Cross multiply
    260,160.12x = 390,231.18 × 110,304.04
  4. Step 4: Simplify right side
    260,160.12x = 43,044,075,687.97
  5. Step 5: Solve for x
    x = 43,044,075,687.97/260,160.12
  6. Step 6: Final answer
    x = 165,452.24

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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.