Home / 355,555.14-533,332.71-142,419.84

Finding the Fourth Proportional to 355,555.14, 533,332.71 and 142,419.84

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Solution

The fourth proportional to 355,555.14, 533,332.71 and 142,419.84 is: 213,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,555.14 : 533,332.71 = 142,419.84 : x
  2. Step 2: Convert to fraction form
    355,555.14/533,332.71 = 142,419.84/x
  3. Step 3: Cross multiply
    355,555.14x = 533,332.71 × 142,419.84
  4. Step 4: Simplify right side
    355,555.14x = 75,957,159,224.97
  5. Step 5: Solve for x
    x = 75,957,159,224.97/355,555.14
  6. Step 6: Final answer
    x = 213,629.76

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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.