Home / 259,079.04-388,451.63-109,279.26

Finding the Fourth Proportional to 259,079.04, 388,451.63 and 109,279.26

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Solution

The fourth proportional to 259,079.04, 388,451.63 and 109,279.26 is: 163,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,079.04 : 388,451.63 = 109,279.26 : x
  2. Step 2: Convert to fraction form
    259,079.04/388,451.63 = 109,279.26/x
  3. Step 3: Cross multiply
    259,079.04x = 388,451.63 × 109,279.26
  4. Step 4: Simplify right side
    259,079.04x = 42,449,706,945.39
  5. Step 5: Solve for x
    x = 42,449,706,945.39/259,079.04
  6. Step 6: Final answer
    x = 163,848.48

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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.