Home / 557,432.02-836,203.40-178,257.48

Finding the Fourth Proportional to 557,432.02, 836,203.40 and 178,257.48

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Solution

The fourth proportional to 557,432.02, 836,203.40 and 178,257.48 is: 267,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,432.02 : 836,203.40 = 178,257.48 : x
  2. Step 2: Convert to fraction form
    557,432.02/836,203.40 = 178,257.48/x
  3. Step 3: Cross multiply
    557,432.02x = 836,203.40 × 178,257.48
  4. Step 4: Simplify right side
    557,432.02x = 149,059,510,851.43
  5. Step 5: Solve for x
    x = 149,059,510,851.43/557,432.02
  6. Step 6: Final answer
    x = 267,403.93

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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.