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Finding the Fourth Proportional to 303,951.20, 456,058 and 163,681.88

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Solution

The fourth proportional to 303,951.20, 456,058 and 163,681.88 is: 245,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,951.20 : 456,058 = 163,681.88 : x
  2. Step 2: Convert to fraction form
    303,951.20/456,058 = 163,681.88/x
  3. Step 3: Cross multiply
    303,951.20x = 456,058 × 163,681.88
  4. Step 4: Simplify right side
    303,951.20x = 74,648,430,829.04
  5. Step 5: Solve for x
    x = 74,648,430,829.04/303,951.20
  6. Step 6: Final answer
    x = 245,593.47

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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.