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Finding the Fourth Proportional to 147,266.20, 220,928.10 and 63,026.20

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Solution

The fourth proportional to 147,266.20, 220,928.10 and 63,026.20 is: 94,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.20 : 220,928.10 = 63,026.20 : x
  2. Step 2: Convert to fraction form
    147,266.20/220,928.10 = 63,026.20/x
  3. Step 3: Cross multiply
    147,266.20x = 220,928.10 × 63,026.20
  4. Step 4: Simplify right side
    147,266.20x = 13,924,258,616.22
  5. Step 5: Solve for x
    x = 13,924,258,616.22/147,266.20
  6. Step 6: Final answer
    x = 94,551.63

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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.