Home / 262,573.20-393,341.40-157,078.80

Finding the Fourth Proportional to 262,573.20, 393,341.40 and 157,078.80

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Solution

The fourth proportional to 262,573.20, 393,341.40 and 157,078.80 is: 235,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,573.20 : 393,341.40 = 157,078.80 : x
  2. Step 2: Convert to fraction form
    262,573.20/393,341.40 = 157,078.80/x
  3. Step 3: Cross multiply
    262,573.20x = 393,341.40 × 157,078.80
  4. Step 4: Simplify right side
    262,573.20x = 61,785,595,102.32
  5. Step 5: Solve for x
    x = 61,785,595,102.32/262,573.20
  6. Step 6: Final answer
    x = 235,308.08

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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.