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Finding the Fourth Proportional to 500,066.10, 749,443.05 and 200,301.30

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Solution

The fourth proportional to 500,066.10, 749,443.05 and 200,301.30 is: 300,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,066.10 : 749,443.05 = 200,301.30 : x
  2. Step 2: Convert to fraction form
    500,066.10/749,443.05 = 200,301.30/x
  3. Step 3: Cross multiply
    500,066.10x = 749,443.05 × 200,301.30
  4. Step 4: Simplify right side
    500,066.10x = 150,114,417,190.97
  5. Step 5: Solve for x
    x = 150,114,417,190.97/500,066.10
  6. Step 6: Final answer
    x = 300,189.15

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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.