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Finding the Fourth Proportional to 435,831.51, 600,057.14 and 371,912.79

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Solution

The fourth proportional to 435,831.51, 600,057.14 and 371,912.79 is: 512,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,831.51 : 600,057.14 = 371,912.79 : x
  2. Step 2: Convert to fraction form
    435,831.51/600,057.14 = 371,912.79/x
  3. Step 3: Cross multiply
    435,831.51x = 600,057.14 × 371,912.79
  4. Step 4: Simplify right side
    435,831.51x = 223,168,923,237.26
  5. Step 5: Solve for x
    x = 223,168,923,237.26/435,831.51
  6. Step 6: Final answer
    x = 512,053.21

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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.