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Finding the Fourth Proportional to 259,254, 388,919.88 and 93,080.88

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Solution

The fourth proportional to 259,254, 388,919.88 and 93,080.88 is: 139,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,254 : 388,919.88 = 93,080.88 : x
  2. Step 2: Convert to fraction form
    259,254/388,919.88 = 93,080.88/x
  3. Step 3: Cross multiply
    259,254x = 388,919.88 × 93,080.88
  4. Step 4: Simplify right side
    259,254x = 36,201,004,679.89
  5. Step 5: Solve for x
    x = 36,201,004,679.89/259,254
  6. Step 6: Final answer
    x = 139,635.28

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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.