Home / 205,017.38-307,524.24-64,776

Finding the Fourth Proportional to 205,017.38, 307,524.24 and 64,776

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Solution

The fourth proportional to 205,017.38, 307,524.24 and 64,776 is: 97,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,017.38 : 307,524.24 = 64,776 : x
  2. Step 2: Convert to fraction form
    205,017.38/307,524.24 = 64,776/x
  3. Step 3: Cross multiply
    205,017.38x = 307,524.24 × 64,776
  4. Step 4: Simplify right side
    205,017.38x = 19,920,190,170.24
  5. Step 5: Solve for x
    x = 19,920,190,170.24/205,017.38
  6. Step 6: Final answer
    x = 97,163.42

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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.