Home / 396,547.06-546,985.38-235,287.64

Finding the Fourth Proportional to 396,547.06, 546,985.38 and 235,287.64

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Solution

The fourth proportional to 396,547.06, 546,985.38 and 235,287.64 is: 324,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,547.06 : 546,985.38 = 235,287.64 : x
  2. Step 2: Convert to fraction form
    396,547.06/546,985.38 = 235,287.64/x
  3. Step 3: Cross multiply
    396,547.06x = 546,985.38 × 235,287.64
  4. Step 4: Simplify right side
    396,547.06x = 128,698,899,174.70
  5. Step 5: Solve for x
    x = 128,698,899,174.70/396,547.06
  6. Step 6: Final answer
    x = 324,548.87

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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.