Home / 665,204.95-997,953.23-215,849.35

Finding the Fourth Proportional to 665,204.95, 997,953.23 and 215,849.35

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Solution

The fourth proportional to 665,204.95, 997,953.23 and 215,849.35 is: 323,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,204.95 : 997,953.23 = 215,849.35 : x
  2. Step 2: Convert to fraction form
    665,204.95/997,953.23 = 215,849.35/x
  3. Step 3: Cross multiply
    665,204.95x = 997,953.23 × 215,849.35
  4. Step 4: Simplify right side
    665,204.95x = 215,407,554,946.65
  5. Step 5: Solve for x
    x = 215,407,554,946.65/665,204.95
  6. Step 6: Final answer
    x = 323,821.33

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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.