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Finding the Fourth Proportional to 547,901.79, 756,105.50 and 306,184.37

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Solution

The fourth proportional to 547,901.79, 756,105.50 and 306,184.37 is: 422,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,901.79 : 756,105.50 = 306,184.37 : x
  2. Step 2: Convert to fraction form
    547,901.79/756,105.50 = 306,184.37/x
  3. Step 3: Cross multiply
    547,901.79x = 756,105.50 × 306,184.37
  4. Step 4: Simplify right side
    547,901.79x = 231,507,680,859.59
  5. Step 5: Solve for x
    x = 231,507,680,859.59/547,901.79
  6. Step 6: Final answer
    x = 422,535.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.