Home / 471,844.18-708,070.74-172,299.66

Finding the Fourth Proportional to 471,844.18, 708,070.74 and 172,299.66

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Solution

The fourth proportional to 471,844.18, 708,070.74 and 172,299.66 is: 258,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,844.18 : 708,070.74 = 172,299.66 : x
  2. Step 2: Convert to fraction form
    471,844.18/708,070.74 = 172,299.66/x
  3. Step 3: Cross multiply
    471,844.18x = 708,070.74 × 172,299.66
  4. Step 4: Simplify right side
    471,844.18x = 122,000,347,757.95
  5. Step 5: Solve for x
    x = 122,000,347,757.95/471,844.18
  6. Step 6: Final answer
    x = 258,560.67

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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.