Home / 282,979.82-424,367.01-154,991.18

Finding the Fourth Proportional to 282,979.82, 424,367.01 and 154,991.18

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Solution

The fourth proportional to 282,979.82, 424,367.01 and 154,991.18 is: 232,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,979.82 : 424,367.01 = 154,991.18 : x
  2. Step 2: Convert to fraction form
    282,979.82/424,367.01 = 154,991.18/x
  3. Step 3: Cross multiply
    282,979.82x = 424,367.01 × 154,991.18
  4. Step 4: Simplify right side
    282,979.82x = 65,773,141,511.14
  5. Step 5: Solve for x
    x = 65,773,141,511.14/282,979.82
  6. Step 6: Final answer
    x = 232,430.51

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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.