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Finding the Fourth Proportional to 460,066.44, 690,271 and 207,271.12

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Solution

The fourth proportional to 460,066.44, 690,271 and 207,271.12 is: 310,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,066.44 : 690,271 = 207,271.12 : x
  2. Step 2: Convert to fraction form
    460,066.44/690,271 = 207,271.12/x
  3. Step 3: Cross multiply
    460,066.44x = 690,271 × 207,271.12
  4. Step 4: Simplify right side
    460,066.44x = 143,073,243,273.52
  5. Step 5: Solve for x
    x = 143,073,243,273.52/460,066.44
  6. Step 6: Final answer
    x = 310,983.87

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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.