Home / 438,904.80-605,725.92-247,953.24

Finding the Fourth Proportional to 438,904.80, 605,725.92 and 247,953.24

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Solution

The fourth proportional to 438,904.80, 605,725.92 and 247,953.24 is: 342,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,904.80 : 605,725.92 = 247,953.24 : x
  2. Step 2: Convert to fraction form
    438,904.80/605,725.92 = 247,953.24/x
  3. Step 3: Cross multiply
    438,904.80x = 605,725.92 × 247,953.24
  4. Step 4: Simplify right side
    438,904.80x = 150,191,704,415.98
  5. Step 5: Solve for x
    x = 150,191,704,415.98/438,904.80
  6. Step 6: Final answer
    x = 342,196.54

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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.