Home / 427,357.51-641,254.97-174,824.62

Finding the Fourth Proportional to 427,357.51, 641,254.97 and 174,824.62

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Solution

The fourth proportional to 427,357.51, 641,254.97 and 174,824.62 is: 262,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,357.51 : 641,254.97 = 174,824.62 : x
  2. Step 2: Convert to fraction form
    427,357.51/641,254.97 = 174,824.62/x
  3. Step 3: Cross multiply
    427,357.51x = 641,254.97 × 174,824.62
  4. Step 4: Simplify right side
    427,357.51x = 112,107,153,976.10
  5. Step 5: Solve for x
    x = 112,107,153,976.10/427,357.51
  6. Step 6: Final answer
    x = 262,326.39

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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.