Home / 282,477.16-423,709.26-142,198.12

Finding the Fourth Proportional to 282,477.16, 423,709.26 and 142,198.12

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Solution

The fourth proportional to 282,477.16, 423,709.26 and 142,198.12 is: 213,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,477.16 : 423,709.26 = 142,198.12 : x
  2. Step 2: Convert to fraction form
    282,477.16/423,709.26 = 142,198.12/x
  3. Step 3: Cross multiply
    282,477.16x = 423,709.26 × 142,198.12
  4. Step 4: Simplify right side
    282,477.16x = 60,250,660,198.59
  5. Step 5: Solve for x
    x = 60,250,660,198.59/282,477.16
  6. Step 6: Final answer
    x = 213,293.92

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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.