Home / 282,982.22-390,498.02-162,095.78

Finding the Fourth Proportional to 282,982.22, 390,498.02 and 162,095.78

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Solution

The fourth proportional to 282,982.22, 390,498.02 and 162,095.78 is: 223,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,982.22 : 390,498.02 = 162,095.78 : x
  2. Step 2: Convert to fraction form
    282,982.22/390,498.02 = 162,095.78/x
  3. Step 3: Cross multiply
    282,982.22x = 390,498.02 × 162,095.78
  4. Step 4: Simplify right side
    282,982.22x = 63,298,081,140.36
  5. Step 5: Solve for x
    x = 63,298,081,140.36/282,982.22
  6. Step 6: Final answer
    x = 223,682.18

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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.