Home / 262,440.11-393,722.63-84,947.10

Finding the Fourth Proportional to 262,440.11, 393,722.63 and 84,947.10

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Solution

The fourth proportional to 262,440.11, 393,722.63 and 84,947.10 is: 127,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440.11 : 393,722.63 = 84,947.10 : x
  2. Step 2: Convert to fraction form
    262,440.11/393,722.63 = 84,947.10/x
  3. Step 3: Cross multiply
    262,440.11x = 393,722.63 × 84,947.10
  4. Step 4: Simplify right side
    262,440.11x = 33,445,595,410.51
  5. Step 5: Solve for x
    x = 33,445,595,410.51/262,440.11
  6. Step 6: Final answer
    x = 127,440.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.