Home / 240,815.61-332,321.13-133,385.31

Finding the Fourth Proportional to 240,815.61, 332,321.13 and 133,385.31

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Solution

The fourth proportional to 240,815.61, 332,321.13 and 133,385.31 is: 184,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,815.61 : 332,321.13 = 133,385.31 : x
  2. Step 2: Convert to fraction form
    240,815.61/332,321.13 = 133,385.31/x
  3. Step 3: Cross multiply
    240,815.61x = 332,321.13 × 133,385.31
  4. Step 4: Simplify right side
    240,815.61x = 44,326,756,944.60
  5. Step 5: Solve for x
    x = 44,326,756,944.60/240,815.61
  6. Step 6: Final answer
    x = 184,069.28

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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.