Home / 282,973.50-390,408.12-192,171.96

Finding the Fourth Proportional to 282,973.50, 390,408.12 and 192,171.96

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Solution

The fourth proportional to 282,973.50, 390,408.12 and 192,171.96 is: 265,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,973.50 : 390,408.12 = 192,171.96 : x
  2. Step 2: Convert to fraction form
    282,973.50/390,408.12 = 192,171.96/x
  3. Step 3: Cross multiply
    282,973.50x = 390,408.12 × 192,171.96
  4. Step 4: Simplify right side
    282,973.50x = 75,025,493,620.32
  5. Step 5: Solve for x
    x = 75,025,493,620.32/282,973.50
  6. Step 6: Final answer
    x = 265,132.58

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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.