Home / 396,030.07-546,616.02-234,978.58

Finding the Fourth Proportional to 396,030.07, 546,616.02 and 234,978.58

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Solution

The fourth proportional to 396,030.07, 546,616.02 and 234,978.58 is: 324,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,030.07 : 546,616.02 = 234,978.58 : x
  2. Step 2: Convert to fraction form
    396,030.07/546,616.02 = 234,978.58/x
  3. Step 3: Cross multiply
    396,030.07x = 546,616.02 × 234,978.58
  4. Step 4: Simplify right side
    396,030.07x = 128,443,056,184.85
  5. Step 5: Solve for x
    x = 128,443,056,184.85/396,030.07
  6. Step 6: Final answer
    x = 324,326.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.