Home / 247,441.24-341,389.56-138,529.57

Finding the Fourth Proportional to 247,441.24, 341,389.56 and 138,529.57

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Solution

The fourth proportional to 247,441.24, 341,389.56 and 138,529.57 is: 191,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,441.24 : 341,389.56 = 138,529.57 : x
  2. Step 2: Convert to fraction form
    247,441.24/341,389.56 = 138,529.57/x
  3. Step 3: Cross multiply
    247,441.24x = 341,389.56 × 138,529.57
  4. Step 4: Simplify right side
    247,441.24x = 47,292,548,761.45
  5. Step 5: Solve for x
    x = 47,292,548,761.45/247,441.24
  6. Step 6: Final answer
    x = 191,126.38

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1.5x scale

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.