Home / 262,319.40-393,479.10-112,534.20

Finding the Fourth Proportional to 262,319.40, 393,479.10 and 112,534.20

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Solution

The fourth proportional to 262,319.40, 393,479.10 and 112,534.20 is: 168,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,319.40 : 393,479.10 = 112,534.20 : x
  2. Step 2: Convert to fraction form
    262,319.40/393,479.10 = 112,534.20/x
  3. Step 3: Cross multiply
    262,319.40x = 393,479.10 × 112,534.20
  4. Step 4: Simplify right side
    262,319.40x = 44,279,855,735.22
  5. Step 5: Solve for x
    x = 44,279,855,735.22/262,319.40
  6. Step 6: Final answer
    x = 168,801.30

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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.