Home / 281,417.04-388,351.64-154,092.62

Finding the Fourth Proportional to 281,417.04, 388,351.64 and 154,092.62

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Solution

The fourth proportional to 281,417.04, 388,351.64 and 154,092.62 is: 212,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,417.04 : 388,351.64 = 154,092.62 : x
  2. Step 2: Convert to fraction form
    281,417.04/388,351.64 = 154,092.62/x
  3. Step 3: Cross multiply
    281,417.04x = 388,351.64 × 154,092.62
  4. Step 4: Simplify right side
    281,417.04x = 59,842,119,747.14
  5. Step 5: Solve for x
    x = 59,842,119,747.14/281,417.04
  6. Step 6: Final answer
    x = 212,645.69

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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.