Home / 427,357.64-641,255.16-174,824.75

Finding the Fourth Proportional to 427,357.64, 641,255.16 and 174,824.75

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Solution

The fourth proportional to 427,357.64, 641,255.16 and 174,824.75 is: 262,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,357.64 : 641,255.16 = 174,824.75 : x
  2. Step 2: Convert to fraction form
    427,357.64/641,255.16 = 174,824.75/x
  3. Step 3: Cross multiply
    427,357.64x = 641,255.16 × 174,824.75
  4. Step 4: Simplify right side
    427,357.64x = 112,107,268,952.81
  5. Step 5: Solve for x
    x = 112,107,268,952.81/427,357.64
  6. Step 6: Final answer
    x = 262,326.58

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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.