Home / 262,649.40-393,974.10-112,864.20

Finding the Fourth Proportional to 262,649.40, 393,974.10 and 112,864.20

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Solution

The fourth proportional to 262,649.40, 393,974.10 and 112,864.20 is: 169,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,649.40 : 393,974.10 = 112,864.20 : x
  2. Step 2: Convert to fraction form
    262,649.40/393,974.10 = 112,864.20/x
  3. Step 3: Cross multiply
    262,649.40x = 393,974.10 × 112,864.20
  4. Step 4: Simplify right side
    262,649.40x = 44,465,571,617.22
  5. Step 5: Solve for x
    x = 44,465,571,617.22/262,649.40
  6. Step 6: Final answer
    x = 169,296.30

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1.5x scale

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.