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Finding the Fourth Proportional to 272,501.72, 408,752.73 and 130,313.41

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Solution

The fourth proportional to 272,501.72, 408,752.73 and 130,313.41 is: 195,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,501.72 : 408,752.73 = 130,313.41 : x
  2. Step 2: Convert to fraction form
    272,501.72/408,752.73 = 130,313.41/x
  3. Step 3: Cross multiply
    272,501.72x = 408,752.73 × 130,313.41
  4. Step 4: Simplify right side
    272,501.72x = 53,265,961,071.23
  5. Step 5: Solve for x
    x = 53,265,961,071.23/272,501.72
  6. Step 6: Final answer
    x = 195,470.18

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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.