Home / 282,982.32-390,571.05-162,204.50

Finding the Fourth Proportional to 282,982.32, 390,571.05 and 162,204.50

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Solution

The fourth proportional to 282,982.32, 390,571.05 and 162,204.50 is: 223,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,982.32 : 390,571.05 = 162,204.50 : x
  2. Step 2: Convert to fraction form
    282,982.32/390,571.05 = 162,204.50/x
  3. Step 3: Cross multiply
    282,982.32x = 390,571.05 × 162,204.50
  4. Step 4: Simplify right side
    282,982.32x = 63,352,379,926.87
  5. Step 5: Solve for x
    x = 63,352,379,926.87/282,982.32
  6. Step 6: Final answer
    x = 223,873.99

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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.