Home / 399,219.57-598,927.57-118,736.82

Finding the Fourth Proportional to 399,219.57, 598,927.57 and 118,736.82

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Solution

The fourth proportional to 399,219.57, 598,927.57 and 118,736.82 is: 178,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,219.57 : 598,927.57 = 118,736.82 : x
  2. Step 2: Convert to fraction form
    399,219.57/598,927.57 = 118,736.82/x
  3. Step 3: Cross multiply
    399,219.57x = 598,927.57 × 118,736.82
  4. Step 4: Simplify right side
    399,219.57x = 71,114,754,775.29
  5. Step 5: Solve for x
    x = 71,114,754,775.29/399,219.57
  6. Step 6: Final answer
    x = 178,134.44

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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.