Home / 207,529.60-311,294.40-57,769.60

Finding the Fourth Proportional to 207,529.60, 311,294.40 and 57,769.60

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Solution

The fourth proportional to 207,529.60, 311,294.40 and 57,769.60 is: 86,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,529.60 : 311,294.40 = 57,769.60 : x
  2. Step 2: Convert to fraction form
    207,529.60/311,294.40 = 57,769.60/x
  3. Step 3: Cross multiply
    207,529.60x = 311,294.40 × 57,769.60
  4. Step 4: Simplify right side
    207,529.60x = 17,983,352,970.24
  5. Step 5: Solve for x
    x = 17,983,352,970.24/207,529.60
  6. Step 6: Final answer
    x = 86,654.40

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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.