Home / 215,470.08-323,204.23-65,709.93

Finding the Fourth Proportional to 215,470.08, 323,204.23 and 65,709.93

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Solution

The fourth proportional to 215,470.08, 323,204.23 and 65,709.93 is: 98,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,470.08 : 323,204.23 = 65,709.93 : x
  2. Step 2: Convert to fraction form
    215,470.08/323,204.23 = 65,709.93/x
  3. Step 3: Cross multiply
    215,470.08x = 323,204.23 × 65,709.93
  4. Step 4: Simplify right side
    215,470.08x = 21,237,727,329.00
  5. Step 5: Solve for x
    x = 21,237,727,329.00/215,470.08
  6. Step 6: Final answer
    x = 98,564.62

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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.