Home / 209,320.82-313,957.88-57,529.53

Finding the Fourth Proportional to 209,320.82, 313,957.88 and 57,529.53

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Solution

The fourth proportional to 209,320.82, 313,957.88 and 57,529.53 is: 86,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,320.82 : 313,957.88 = 57,529.53 : x
  2. Step 2: Convert to fraction form
    209,320.82/313,957.88 = 57,529.53/x
  3. Step 3: Cross multiply
    209,320.82x = 313,957.88 × 57,529.53
  4. Step 4: Simplify right side
    209,320.82x = 18,061,848,988.55
  5. Step 5: Solve for x
    x = 18,061,848,988.55/209,320.82
  6. Step 6: Final answer
    x = 86,287.88

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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.