Home / 292,784.32-438,865.38-115,266.88

Finding the Fourth Proportional to 292,784.32, 438,865.38 and 115,266.88

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Solution

The fourth proportional to 292,784.32, 438,865.38 and 115,266.88 is: 172,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,784.32 : 438,865.38 = 115,266.88 : x
  2. Step 2: Convert to fraction form
    292,784.32/438,865.38 = 115,266.88/x
  3. Step 3: Cross multiply
    292,784.32x = 438,865.38 × 115,266.88
  4. Step 4: Simplify right side
    292,784.32x = 50,586,643,092.61
  5. Step 5: Solve for x
    x = 50,586,643,092.61/292,784.32
  6. Step 6: Final answer
    x = 172,777.84

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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.