Home / 438,910.95-605,746.41-247,936.63

Finding the Fourth Proportional to 438,910.95, 605,746.41 and 247,936.63

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Solution

The fourth proportional to 438,910.95, 605,746.41 and 247,936.63 is: 342,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,910.95 : 605,746.41 = 247,936.63 : x
  2. Step 2: Convert to fraction form
    438,910.95/605,746.41 = 247,936.63/x
  3. Step 3: Cross multiply
    438,910.95x = 605,746.41 × 247,936.63
  4. Step 4: Simplify right side
    438,910.95x = 150,186,723,530.00
  5. Step 5: Solve for x
    x = 150,186,723,530.00/438,910.95
  6. Step 6: Final answer
    x = 342,180.40

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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.