Home / 215,831.40-323,747.10-202,698.60

Finding the Fourth Proportional to 215,831.40, 323,747.10 and 202,698.60

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Solution

The fourth proportional to 215,831.40, 323,747.10 and 202,698.60 is: 304,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,831.40 : 323,747.10 = 202,698.60 : x
  2. Step 2: Convert to fraction form
    215,831.40/323,747.10 = 202,698.60/x
  3. Step 3: Cross multiply
    215,831.40x = 323,747.10 × 202,698.60
  4. Step 4: Simplify right side
    215,831.40x = 65,623,083,924.06
  5. Step 5: Solve for x
    x = 65,623,083,924.06/215,831.40
  6. Step 6: Final answer
    x = 304,047.90

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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.