Home / 304,771.20-420,588.71-175,707.46

Finding the Fourth Proportional to 304,771.20, 420,588.71 and 175,707.46

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Solution

The fourth proportional to 304,771.20, 420,588.71 and 175,707.46 is: 242,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,771.20 : 420,588.71 = 175,707.46 : x
  2. Step 2: Convert to fraction form
    304,771.20/420,588.71 = 175,707.46/x
  3. Step 3: Cross multiply
    304,771.20x = 420,588.71 × 175,707.46
  4. Step 4: Simplify right side
    304,771.20x = 73,900,573,938.78
  5. Step 5: Solve for x
    x = 73,900,573,938.78/304,771.20
  6. Step 6: Final answer
    x = 242,478.86

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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.