Home / 282,173.09-389,398.82-154,848.65

Finding the Fourth Proportional to 282,173.09, 389,398.82 and 154,848.65

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Solution

The fourth proportional to 282,173.09, 389,398.82 and 154,848.65 is: 213,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,173.09 : 389,398.82 = 154,848.65 : x
  2. Step 2: Convert to fraction form
    282,173.09/389,398.82 = 154,848.65/x
  3. Step 3: Cross multiply
    282,173.09x = 389,398.82 × 154,848.65
  4. Step 4: Simplify right side
    282,173.09x = 60,297,878,867.36
  5. Step 5: Solve for x
    x = 60,297,878,867.36/282,173.09
  6. Step 6: Final answer
    x = 213,691.11

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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.