Home / 543,428.06-815,179.53-227,566.94

Finding the Fourth Proportional to 543,428.06, 815,179.53 and 227,566.94

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Solution

The fourth proportional to 543,428.06, 815,179.53 and 227,566.94 is: 341,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,428.06 : 815,179.53 = 227,566.94 : x
  2. Step 2: Convert to fraction form
    543,428.06/815,179.53 = 227,566.94/x
  3. Step 3: Cross multiply
    543,428.06x = 815,179.53 × 227,566.94
  4. Step 4: Simplify right side
    543,428.06x = 185,507,911,192.74
  5. Step 5: Solve for x
    x = 185,507,911,192.74/543,428.06
  6. Step 6: Final answer
    x = 341,366.09

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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.