Home / 260,230.23-390,079.44-147,672.75

Finding the Fourth Proportional to 260,230.23, 390,079.44 and 147,672.75

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Solution

The fourth proportional to 260,230.23, 390,079.44 and 147,672.75 is: 221,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,230.23 : 390,079.44 = 147,672.75 : x
  2. Step 2: Convert to fraction form
    260,230.23/390,079.44 = 147,672.75/x
  3. Step 3: Cross multiply
    260,230.23x = 390,079.44 × 147,672.75
  4. Step 4: Simplify right side
    260,230.23x = 57,604,103,623.26
  5. Step 5: Solve for x
    x = 57,604,103,623.26/260,230.23
  6. Step 6: Final answer
    x = 221,358.23

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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.