Home / 334,419.57-461,468.34-198,430.02

Finding the Fourth Proportional to 334,419.57, 461,468.34 and 198,430.02

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Solution

The fourth proportional to 334,419.57, 461,468.34 and 198,430.02 is: 273,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,419.57 : 461,468.34 = 198,430.02 : x
  2. Step 2: Convert to fraction form
    334,419.57/461,468.34 = 198,430.02/x
  3. Step 3: Cross multiply
    334,419.57x = 461,468.34 × 198,430.02
  4. Step 4: Simplify right side
    334,419.57x = 91,569,171,935.57
  5. Step 5: Solve for x
    x = 91,569,171,935.57/334,419.57
  6. Step 6: Final answer
    x = 273,815.23

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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.