Home / 217,397.43-325,580.63-172,273.68

Finding the Fourth Proportional to 217,397.43, 325,580.63 and 172,273.68

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Solution

The fourth proportional to 217,397.43, 325,580.63 and 172,273.68 is: 258,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,397.43 : 325,580.63 = 172,273.68 : x
  2. Step 2: Convert to fraction form
    217,397.43/325,580.63 = 172,273.68/x
  3. Step 3: Cross multiply
    217,397.43x = 325,580.63 × 172,273.68
  4. Step 4: Simplify right side
    217,397.43x = 56,088,972,405.45
  5. Step 5: Solve for x
    x = 56,088,972,405.45/217,397.43
  6. Step 6: Final answer
    x = 258,002.00

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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.