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Finding the Fourth Proportional to 260,708.39, 359,591.72 and 239,267.24

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Solution

The fourth proportional to 260,708.39, 359,591.72 and 239,267.24 is: 330,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,708.39 : 359,591.72 = 239,267.24 : x
  2. Step 2: Convert to fraction form
    260,708.39/359,591.72 = 239,267.24/x
  3. Step 3: Cross multiply
    260,708.39x = 359,591.72 × 239,267.24
  4. Step 4: Simplify right side
    260,708.39x = 86,038,518,073.90
  5. Step 5: Solve for x
    x = 86,038,518,073.90/260,708.39
  6. Step 6: Final answer
    x = 330,018.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.