Home / 262,557.20-393,317.40-157,062.80

Finding the Fourth Proportional to 262,557.20, 393,317.40 and 157,062.80

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Solution

The fourth proportional to 262,557.20, 393,317.40 and 157,062.80 is: 235,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,557.20 : 393,317.40 = 157,062.80 : x
  2. Step 2: Convert to fraction form
    262,557.20/393,317.40 = 157,062.80/x
  3. Step 3: Cross multiply
    262,557.20x = 393,317.40 × 157,062.80
  4. Step 4: Simplify right side
    262,557.20x = 61,775,532,132.72
  5. Step 5: Solve for x
    x = 61,775,532,132.72/262,557.20
  6. Step 6: Final answer
    x = 235,284.09

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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.