Home / 665,182.80-997,933.06-215,904.96

Finding the Fourth Proportional to 665,182.80, 997,933.06 and 215,904.96

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Solution

The fourth proportional to 665,182.80, 997,933.06 and 215,904.96 is: 323,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,182.80 : 997,933.06 = 215,904.96 : x
  2. Step 2: Convert to fraction form
    665,182.80/997,933.06 = 215,904.96/x
  3. Step 3: Cross multiply
    665,182.80x = 997,933.06 × 215,904.96
  4. Step 4: Simplify right side
    665,182.80x = 215,458,697,401.98
  5. Step 5: Solve for x
    x = 215,458,697,401.98/665,182.80
  6. Step 6: Final answer
    x = 323,909.00

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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.