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Finding the Fourth Proportional to 245,671.29, 339,033.93 and 133,791.50

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Solution

The fourth proportional to 245,671.29, 339,033.93 and 133,791.50 is: 184,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,671.29 : 339,033.93 = 133,791.50 : x
  2. Step 2: Convert to fraction form
    245,671.29/339,033.93 = 133,791.50/x
  3. Step 3: Cross multiply
    245,671.29x = 339,033.93 × 133,791.50
  4. Step 4: Simplify right side
    245,671.29x = 45,359,858,391.46
  5. Step 5: Solve for x
    x = 45,359,858,391.46/245,671.29
  6. Step 6: Final answer
    x = 184,636.38

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1.5x scale

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.