Home / 651,377.40-977,163.30-230,620.20

Finding the Fourth Proportional to 651,377.40, 977,163.30 and 230,620.20

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Solution

The fourth proportional to 651,377.40, 977,163.30 and 230,620.20 is: 345,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,377.40 : 977,163.30 = 230,620.20 : x
  2. Step 2: Convert to fraction form
    651,377.40/977,163.30 = 230,620.20/x
  3. Step 3: Cross multiply
    651,377.40x = 977,163.30 × 230,620.20
  4. Step 4: Simplify right side
    651,377.40x = 225,353,595,678.66
  5. Step 5: Solve for x
    x = 225,353,595,678.66/651,377.40
  6. Step 6: Final answer
    x = 345,964.71

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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.