Home / 447,536.63-671,366.82-143,939.38

Finding the Fourth Proportional to 447,536.63, 671,366.82 and 143,939.38

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Solution

The fourth proportional to 447,536.63, 671,366.82 and 143,939.38 is: 215,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,536.63 : 671,366.82 = 143,939.38 : x
  2. Step 2: Convert to fraction form
    447,536.63/671,366.82 = 143,939.38/x
  3. Step 3: Cross multiply
    447,536.63x = 671,366.82 × 143,939.38
  4. Step 4: Simplify right side
    447,536.63x = 96,636,122,931.47
  5. Step 5: Solve for x
    x = 96,636,122,931.47/447,536.63
  6. Step 6: Final answer
    x = 215,928.97

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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.