Home / 282,908.09-390,417.92-162,059.94

Finding the Fourth Proportional to 282,908.09, 390,417.92 and 162,059.94

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Solution

The fourth proportional to 282,908.09, 390,417.92 and 162,059.94 is: 223,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,908.09 : 390,417.92 = 162,059.94 : x
  2. Step 2: Convert to fraction form
    282,908.09/390,417.92 = 162,059.94/x
  3. Step 3: Cross multiply
    282,908.09x = 390,417.92 × 162,059.94
  4. Step 4: Simplify right side
    282,908.09x = 63,271,105,399.14
  5. Step 5: Solve for x
    x = 63,271,105,399.14/282,908.09
  6. Step 6: Final answer
    x = 223,645.44

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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.