Home / 231,711.40-346,983.90-152,396.20

Finding the Fourth Proportional to 231,711.40, 346,983.90 and 152,396.20

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Solution

The fourth proportional to 231,711.40, 346,983.90 and 152,396.20 is: 228,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,711.40 : 346,983.90 = 152,396.20 : x
  2. Step 2: Convert to fraction form
    231,711.40/346,983.90 = 152,396.20/x
  3. Step 3: Cross multiply
    231,711.40x = 346,983.90 × 152,396.20
  4. Step 4: Simplify right side
    231,711.40x = 52,879,027,821.18
  5. Step 5: Solve for x
    x = 52,879,027,821.18/231,711.40
  6. Step 6: Final answer
    x = 228,210.73

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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.