Home / 357,127.07-492,819.14-195,978.87

Finding the Fourth Proportional to 357,127.07, 492,819.14 and 195,978.87

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Solution

The fourth proportional to 357,127.07, 492,819.14 and 195,978.87 is: 270,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,127.07 : 492,819.14 = 195,978.87 : x
  2. Step 2: Convert to fraction form
    357,127.07/492,819.14 = 195,978.87/x
  3. Step 3: Cross multiply
    357,127.07x = 492,819.14 × 195,978.87
  4. Step 4: Simplify right side
    357,127.07x = 96,582,137,191.68
  5. Step 5: Solve for x
    x = 96,582,137,191.68/357,127.07
  6. Step 6: Final answer
    x = 270,441.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.