Home / 447,675.84-671,790.24-181,438.56

Finding the Fourth Proportional to 447,675.84, 671,790.24 and 181,438.56

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Solution

The fourth proportional to 447,675.84, 671,790.24 and 181,438.56 is: 272,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,675.84 : 671,790.24 = 181,438.56 : x
  2. Step 2: Convert to fraction form
    447,675.84/671,790.24 = 181,438.56/x
  3. Step 3: Cross multiply
    447,675.84x = 671,790.24 × 181,438.56
  4. Step 4: Simplify right side
    447,675.84x = 121,888,653,767.65
  5. Step 5: Solve for x
    x = 121,888,653,767.65/447,675.84
  6. Step 6: Final answer
    x = 272,269.89

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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.