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Finding the Fourth Proportional to 259,014.32, 388,590.62 and 92,819.12

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Solution

The fourth proportional to 259,014.32, 388,590.62 and 92,819.12 is: 139,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,014.32 : 388,590.62 = 92,819.12 : x
  2. Step 2: Convert to fraction form
    259,014.32/388,590.62 = 92,819.12/x
  3. Step 3: Cross multiply
    259,014.32x = 388,590.62 × 92,819.12
  4. Step 4: Simplify right side
    259,014.32x = 36,068,639,388.65
  5. Step 5: Solve for x
    x = 36,068,639,388.65/259,014.32
  6. Step 6: Final answer
    x = 139,253.46

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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.