Home / 231,217.79-346,590.20-117,154.30

Finding the Fourth Proportional to 231,217.79, 346,590.20 and 117,154.30

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Solution

The fourth proportional to 231,217.79, 346,590.20 and 117,154.30 is: 175,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,217.79 : 346,590.20 = 117,154.30 : x
  2. Step 2: Convert to fraction form
    231,217.79/346,590.20 = 117,154.30/x
  3. Step 3: Cross multiply
    231,217.79x = 346,590.20 × 117,154.30
  4. Step 4: Simplify right side
    231,217.79x = 40,604,532,267.86
  5. Step 5: Solve for x
    x = 40,604,532,267.86/231,217.79
  6. Step 6: Final answer
    x = 175,611.63

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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.