Home / 232,976.40-349,723.80-128,000.40

Finding the Fourth Proportional to 232,976.40, 349,723.80 and 128,000.40

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Solution

The fourth proportional to 232,976.40, 349,723.80 and 128,000.40 is: 192,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,976.40 : 349,723.80 = 128,000.40 : x
  2. Step 2: Convert to fraction form
    232,976.40/349,723.80 = 128,000.40/x
  3. Step 3: Cross multiply
    232,976.40x = 349,723.80 × 128,000.40
  4. Step 4: Simplify right side
    232,976.40x = 44,764,786,289.52
  5. Step 5: Solve for x
    x = 44,764,786,289.52/232,976.40
  6. Step 6: Final answer
    x = 192,143.01

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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.