Home / 255,020.73-382,181.18-161,358.81

Finding the Fourth Proportional to 255,020.73, 382,181.18 and 161,358.81

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Solution

The fourth proportional to 255,020.73, 382,181.18 and 161,358.81 is: 241,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,020.73 : 382,181.18 = 161,358.81 : x
  2. Step 2: Convert to fraction form
    255,020.73/382,181.18 = 161,358.81/x
  3. Step 3: Cross multiply
    255,020.73x = 382,181.18 × 161,358.81
  4. Step 4: Simplify right side
    255,020.73x = 61,668,299,602.40
  5. Step 5: Solve for x
    x = 61,668,299,602.40/255,020.73
  6. Step 6: Final answer
    x = 241,816.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.