Home / 282,992.15-390,584.60-162,214.30

Finding the Fourth Proportional to 282,992.15, 390,584.60 and 162,214.30

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Solution

The fourth proportional to 282,992.15, 390,584.60 and 162,214.30 is: 223,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,992.15 : 390,584.60 = 162,214.30 : x
  2. Step 2: Convert to fraction form
    282,992.15/390,584.60 = 162,214.30/x
  3. Step 3: Cross multiply
    282,992.15x = 390,584.60 × 162,214.30
  4. Step 4: Simplify right side
    282,992.15x = 63,358,407,479.78
  5. Step 5: Solve for x
    x = 63,358,407,479.78/282,992.15
  6. Step 6: Final answer
    x = 223,887.51

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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.