Home / 399,991.14-552,038.55-227,970.94

Finding the Fourth Proportional to 399,991.14, 552,038.55 and 227,970.94

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Solution

The fourth proportional to 399,991.14, 552,038.55 and 227,970.94 is: 314,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,991.14 : 552,038.55 = 227,970.94 : x
  2. Step 2: Convert to fraction form
    399,991.14/552,038.55 = 227,970.94/x
  3. Step 3: Cross multiply
    399,991.14x = 552,038.55 × 227,970.94
  4. Step 4: Simplify right side
    399,991.14x = 125,848,749,891.66
  5. Step 5: Solve for x
    x = 125,848,749,891.66/399,991.14
  6. Step 6: Final answer
    x = 314,628.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.