Home / 292,867.30-438,799.46-159,840.90

Finding the Fourth Proportional to 292,867.30, 438,799.46 and 159,840.90

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Solution

The fourth proportional to 292,867.30, 438,799.46 and 159,840.90 is: 239,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,867.30 : 438,799.46 = 159,840.90 : x
  2. Step 2: Convert to fraction form
    292,867.30/438,799.46 = 159,840.90/x
  3. Step 3: Cross multiply
    292,867.30x = 438,799.46 × 159,840.90
  4. Step 4: Simplify right side
    292,867.30x = 70,138,100,605.91
  5. Step 5: Solve for x
    x = 70,138,100,605.91/292,867.30
  6. Step 6: Final answer
    x = 239,487.65

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1.5x scale

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.