Home / 560,219.54-839,935.68-205,187.42

Finding the Fourth Proportional to 560,219.54, 839,935.68 and 205,187.42

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Solution

The fourth proportional to 560,219.54, 839,935.68 and 205,187.42 is: 307,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,219.54 : 839,935.68 = 205,187.42 : x
  2. Step 2: Convert to fraction form
    560,219.54/839,935.68 = 205,187.42/x
  3. Step 3: Cross multiply
    560,219.54x = 839,935.68 × 205,187.42
  4. Step 4: Simplify right side
    560,219.54x = 172,344,235,145.15
  5. Step 5: Solve for x
    x = 172,344,235,145.15/560,219.54
  6. Step 6: Final answer
    x = 307,636.96

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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.