Home / 235,128.42-352,687.77-57,636.36

Finding the Fourth Proportional to 235,128.42, 352,687.77 and 57,636.36

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Solution

The fourth proportional to 235,128.42, 352,687.77 and 57,636.36 is: 86,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,128.42 : 352,687.77 = 57,636.36 : x
  2. Step 2: Convert to fraction form
    235,128.42/352,687.77 = 57,636.36/x
  3. Step 3: Cross multiply
    235,128.42x = 352,687.77 × 57,636.36
  4. Step 4: Simplify right side
    235,128.42x = 20,327,639,279.32
  5. Step 5: Solve for x
    x = 20,327,639,279.32/235,128.42
  6. Step 6: Final answer
    x = 86,453.35

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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.