Home / 255,312.20-383,141.10-114,998.60

Finding the Fourth Proportional to 255,312.20, 383,141.10 and 114,998.60

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Solution

The fourth proportional to 255,312.20, 383,141.10 and 114,998.60 is: 172,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,312.20 : 383,141.10 = 114,998.60 : x
  2. Step 2: Convert to fraction form
    255,312.20/383,141.10 = 114,998.60/x
  3. Step 3: Cross multiply
    255,312.20x = 383,141.10 × 114,998.60
  4. Step 4: Simplify right side
    255,312.20x = 44,060,690,102.46
  5. Step 5: Solve for x
    x = 44,060,690,102.46/255,312.20
  6. Step 6: Final answer
    x = 172,575.73

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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.