Home / 387,736.80-581,367.06-150,803.40

Finding the Fourth Proportional to 387,736.80, 581,367.06 and 150,803.40

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Solution

The fourth proportional to 387,736.80, 581,367.06 and 150,803.40 is: 226,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,736.80 : 581,367.06 = 150,803.40 : x
  2. Step 2: Convert to fraction form
    387,736.80/581,367.06 = 150,803.40/x
  3. Step 3: Cross multiply
    387,736.80x = 581,367.06 × 150,803.40
  4. Step 4: Simplify right side
    387,736.80x = 87,672,129,296.00
  5. Step 5: Solve for x
    x = 87,672,129,296.00/387,736.80
  6. Step 6: Final answer
    x = 226,112.48

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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.