Home / 324,053.49-447,218.91-178,887.72

Finding the Fourth Proportional to 324,053.49, 447,218.91 and 178,887.72

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Solution

The fourth proportional to 324,053.49, 447,218.91 and 178,887.72 is: 246,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,053.49 : 447,218.91 = 178,887.72 : x
  2. Step 2: Convert to fraction form
    324,053.49/447,218.91 = 178,887.72/x
  3. Step 3: Cross multiply
    324,053.49x = 447,218.91 × 178,887.72
  4. Step 4: Simplify right side
    324,053.49x = 80,001,971,150.79
  5. Step 5: Solve for x
    x = 80,001,971,150.79/324,053.49
  6. Step 6: Final answer
    x = 246,878.91

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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.