Home / 282,980.32-390,568.29-162,202.49

Finding the Fourth Proportional to 282,980.32, 390,568.29 and 162,202.49

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Solution

The fourth proportional to 282,980.32, 390,568.29 and 162,202.49 is: 223,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,980.32 : 390,568.29 = 162,202.49 : x
  2. Step 2: Convert to fraction form
    282,980.32/390,568.29 = 162,202.49/x
  3. Step 3: Cross multiply
    282,980.32x = 390,568.29 × 162,202.49
  4. Step 4: Simplify right side
    282,980.32x = 63,351,149,153.04
  5. Step 5: Solve for x
    x = 63,351,149,153.04/282,980.32
  6. Step 6: Final answer
    x = 223,871.22

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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.