Home / 438,848.52-605,611.38-247,862.28

Finding the Fourth Proportional to 438,848.52, 605,611.38 and 247,862.28

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Solution

The fourth proportional to 438,848.52, 605,611.38 and 247,862.28 is: 342,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,848.52 : 605,611.38 = 247,862.28 : x
  2. Step 2: Convert to fraction form
    438,848.52/605,611.38 = 247,862.28/x
  3. Step 3: Cross multiply
    438,848.52x = 605,611.38 × 247,862.28
  4. Step 4: Simplify right side
    438,848.52x = 150,108,217,440.75
  5. Step 5: Solve for x
    x = 150,108,217,440.75/438,848.52
  6. Step 6: Final answer
    x = 342,050.18

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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.