Home / 654,249.95-981,373.71-205,005.23

Finding the Fourth Proportional to 654,249.95, 981,373.71 and 205,005.23

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Solution

The fourth proportional to 654,249.95, 981,373.71 and 205,005.23 is: 307,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,249.95 : 981,373.71 = 205,005.23 : x
  2. Step 2: Convert to fraction form
    654,249.95/981,373.71 = 205,005.23/x
  3. Step 3: Cross multiply
    654,249.95x = 981,373.71 × 205,005.23
  4. Step 4: Simplify right side
    654,249.95x = 201,186,739,656.04
  5. Step 5: Solve for x
    x = 201,186,739,656.04/654,249.95
  6. Step 6: Final answer
    x = 307,507.46

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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.