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Finding the Fourth Proportional to 293,549.80, 440,324.70 and 204,903.40

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Solution

The fourth proportional to 293,549.80, 440,324.70 and 204,903.40 is: 307,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,549.80 : 440,324.70 = 204,903.40 : x
  2. Step 2: Convert to fraction form
    293,549.80/440,324.70 = 204,903.40/x
  3. Step 3: Cross multiply
    293,549.80x = 440,324.70 × 204,903.40
  4. Step 4: Simplify right side
    293,549.80x = 90,224,028,133.98
  5. Step 5: Solve for x
    x = 90,224,028,133.98/293,549.80
  6. Step 6: Final answer
    x = 307,355.10

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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.