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Finding the Fourth Proportional to 444,311.42, 613,134.50 and 253,386.26

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Solution

The fourth proportional to 444,311.42, 613,134.50 and 253,386.26 is: 349,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,311.42 : 613,134.50 = 253,386.26 : x
  2. Step 2: Convert to fraction form
    444,311.42/613,134.50 = 253,386.26/x
  3. Step 3: Cross multiply
    444,311.42x = 613,134.50 × 253,386.26
  4. Step 4: Simplify right side
    444,311.42x = 155,359,857,831.97
  5. Step 5: Solve for x
    x = 155,359,857,831.97/444,311.42
  6. Step 6: Final answer
    x = 349,664.34

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1.5x scale

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.