Home / 275,948.76-413,848.98-76,222.20

Finding the Fourth Proportional to 275,948.76, 413,848.98 and 76,222.20

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Solution

The fourth proportional to 275,948.76, 413,848.98 and 76,222.20 is: 114,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,948.76 : 413,848.98 = 76,222.20 : x
  2. Step 2: Convert to fraction form
    275,948.76/413,848.98 = 76,222.20/x
  3. Step 3: Cross multiply
    275,948.76x = 413,848.98 × 76,222.20
  4. Step 4: Simplify right side
    275,948.76x = 31,544,479,723.36
  5. Step 5: Solve for x
    x = 31,544,479,723.36/275,948.76
  6. Step 6: Final answer
    x = 114,312.82

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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.