Home / 216,486.06-298,556.65-180,307.61

Finding the Fourth Proportional to 216,486.06, 298,556.65 and 180,307.61

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Solution

The fourth proportional to 216,486.06, 298,556.65 and 180,307.61 is: 248,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,486.06 : 298,556.65 = 180,307.61 : x
  2. Step 2: Convert to fraction form
    216,486.06/298,556.65 = 180,307.61/x
  3. Step 3: Cross multiply
    216,486.06x = 298,556.65 × 180,307.61
  4. Step 4: Simplify right side
    216,486.06x = 53,832,035,109.57
  5. Step 5: Solve for x
    x = 53,832,035,109.57/216,486.06
  6. Step 6: Final answer
    x = 248,662.83

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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.