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Finding the Fourth Proportional to 144,847.90, 217,271.85 and 97,846.30

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Solution

The fourth proportional to 144,847.90, 217,271.85 and 97,846.30 is: 146,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,847.90 : 217,271.85 = 97,846.30 : x
  2. Step 2: Convert to fraction form
    144,847.90/217,271.85 = 97,846.30/x
  3. Step 3: Cross multiply
    144,847.90x = 217,271.85 × 97,846.30
  4. Step 4: Simplify right side
    144,847.90x = 21,259,246,616.66
  5. Step 5: Solve for x
    x = 21,259,246,616.66/144,847.90
  6. Step 6: Final answer
    x = 146,769.45

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1.5x scale

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.