Home / 304,869.37-420,550.21-240,100.00

Finding the Fourth Proportional to 304,869.37, 420,550.21 and 240,100.00

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Solution

The fourth proportional to 304,869.37, 420,550.21 and 240,100.00 is: 331,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869.37 : 420,550.21 = 240,100.00 : x
  2. Step 2: Convert to fraction form
    304,869.37/420,550.21 = 240,100.00/x
  3. Step 3: Cross multiply
    304,869.37x = 420,550.21 × 240,100.00
  4. Step 4: Simplify right side
    304,869.37x = 100,974,104,669.75
  5. Step 5: Solve for x
    x = 100,974,104,669.75/304,869.37
  6. Step 6: Final answer
    x = 331,204.49

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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.