Home / 355,973.43-491,146.04-202,955.84

Finding the Fourth Proportional to 355,973.43, 491,146.04 and 202,955.84

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Solution

The fourth proportional to 355,973.43, 491,146.04 and 202,955.84 is: 280,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,973.43 : 491,146.04 = 202,955.84 : x
  2. Step 2: Convert to fraction form
    355,973.43/491,146.04 = 202,955.84/x
  3. Step 3: Cross multiply
    355,973.43x = 491,146.04 × 202,955.84
  4. Step 4: Simplify right side
    355,973.43x = 99,680,953,640.36
  5. Step 5: Solve for x
    x = 99,680,953,640.36/355,973.43
  6. Step 6: Final answer
    x = 280,023.58

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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.