Home / 282,965.78-390,475.37-162,079.35

Finding the Fourth Proportional to 282,965.78, 390,475.37 and 162,079.35

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Solution

The fourth proportional to 282,965.78, 390,475.37 and 162,079.35 is: 223,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,965.78 : 390,475.37 = 162,079.35 : x
  2. Step 2: Convert to fraction form
    282,965.78/390,475.37 = 162,079.35/x
  3. Step 3: Cross multiply
    282,965.78x = 390,475.37 × 162,079.35
  4. Step 4: Simplify right side
    282,965.78x = 63,287,993,350.21
  5. Step 5: Solve for x
    x = 63,287,993,350.21/282,965.78
  6. Step 6: Final answer
    x = 223,659.53

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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.