Home / 231,901.58-347,152.13-209,725.40

Finding the Fourth Proportional to 231,901.58, 347,152.13 and 209,725.40

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Solution

The fourth proportional to 231,901.58, 347,152.13 and 209,725.40 is: 313,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,901.58 : 347,152.13 = 209,725.40 : x
  2. Step 2: Convert to fraction form
    231,901.58/347,152.13 = 209,725.40/x
  3. Step 3: Cross multiply
    231,901.58x = 347,152.13 × 209,725.40
  4. Step 4: Simplify right side
    231,901.58x = 72,806,619,930.83
  5. Step 5: Solve for x
    x = 72,806,619,930.83/231,901.58
  6. Step 6: Final answer
    x = 313,954.82

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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.