Home / 265,664.80-367,084.08-212,389.60

Finding the Fourth Proportional to 265,664.80, 367,084.08 and 212,389.60

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Solution

The fourth proportional to 265,664.80, 367,084.08 and 212,389.60 is: 293,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,664.80 : 367,084.08 = 212,389.60 : x
  2. Step 2: Convert to fraction form
    265,664.80/367,084.08 = 212,389.60/x
  3. Step 3: Cross multiply
    265,664.80x = 367,084.08 × 212,389.60
  4. Step 4: Simplify right side
    265,664.80x = 77,964,840,917.57
  5. Step 5: Solve for x
    x = 77,964,840,917.57/265,664.80
  6. Step 6: Final answer
    x = 293,470.72

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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.