Home / 269,831.20-404,795.40-112,075.60

Finding the Fourth Proportional to 269,831.20, 404,795.40 and 112,075.60

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Solution

The fourth proportional to 269,831.20, 404,795.40 and 112,075.60 is: 168,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,831.20 : 404,795.40 = 112,075.60 : x
  2. Step 2: Convert to fraction form
    269,831.20/404,795.40 = 112,075.60/x
  3. Step 3: Cross multiply
    269,831.20x = 404,795.40 × 112,075.60
  4. Step 4: Simplify right side
    269,831.20x = 45,367,687,332.24
  5. Step 5: Solve for x
    x = 45,367,687,332.24/269,831.20
  6. Step 6: Final answer
    x = 168,133.59

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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.