Home / 331,941.16-458,076.72-188,701.21

Finding the Fourth Proportional to 331,941.16, 458,076.72 and 188,701.21

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Solution

The fourth proportional to 331,941.16, 458,076.72 and 188,701.21 is: 260,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,941.16 : 458,076.72 = 188,701.21 : x
  2. Step 2: Convert to fraction form
    331,941.16/458,076.72 = 188,701.21/x
  3. Step 3: Cross multiply
    331,941.16x = 458,076.72 × 188,701.21
  4. Step 4: Simplify right side
    331,941.16x = 86,439,631,336.83
  5. Step 5: Solve for x
    x = 86,439,631,336.83/331,941.16
  6. Step 6: Final answer
    x = 260,406.49

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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.