Home / 438,823.32-605,588.13-247,865.10

Finding the Fourth Proportional to 438,823.32, 605,588.13 and 247,865.10

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Solution

The fourth proportional to 438,823.32, 605,588.13 and 247,865.10 is: 342,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,823.32 : 605,588.13 = 247,865.10 : x
  2. Step 2: Convert to fraction form
    438,823.32/605,588.13 = 247,865.10/x
  3. Step 3: Cross multiply
    438,823.32x = 605,588.13 × 247,865.10
  4. Step 4: Simplify right side
    438,823.32x = 150,104,162,401.26
  5. Step 5: Solve for x
    x = 150,104,162,401.26/438,823.32
  6. Step 6: Final answer
    x = 342,060.59

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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.