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Finding the Fourth Proportional to 254,866.48, 382,309.46 and 130,061.68

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Solution

The fourth proportional to 254,866.48, 382,309.46 and 130,061.68 is: 195,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.48 : 382,309.46 = 130,061.68 : x
  2. Step 2: Convert to fraction form
    254,866.48/382,309.46 = 130,061.68/x
  3. Step 3: Cross multiply
    254,866.48x = 382,309.46 × 130,061.68
  4. Step 4: Simplify right side
    254,866.48x = 49,723,810,647.49
  5. Step 5: Solve for x
    x = 49,723,810,647.49/254,866.48
  6. Step 6: Final answer
    x = 195,097.49

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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.