Home / 340,548.08-469,956.40-197,391.15

Finding the Fourth Proportional to 340,548.08, 469,956.40 and 197,391.15

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Solution

The fourth proportional to 340,548.08, 469,956.40 and 197,391.15 is: 272,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,548.08 : 469,956.40 = 197,391.15 : x
  2. Step 2: Convert to fraction form
    340,548.08/469,956.40 = 197,391.15/x
  3. Step 3: Cross multiply
    340,548.08x = 469,956.40 × 197,391.15
  4. Step 4: Simplify right side
    340,548.08x = 92,765,233,752.38
  5. Step 5: Solve for x
    x = 92,765,233,752.38/340,548.08
  6. Step 6: Final answer
    x = 272,399.82

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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.