Home / 331,309.50-457,178.31-188,075.58

Finding the Fourth Proportional to 331,309.50, 457,178.31 and 188,075.58

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Solution

The fourth proportional to 331,309.50, 457,178.31 and 188,075.58 is: 259,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,309.50 : 457,178.31 = 188,075.58 : x
  2. Step 2: Convert to fraction form
    331,309.50/457,178.31 = 188,075.58/x
  3. Step 3: Cross multiply
    331,309.50x = 457,178.31 × 188,075.58
  4. Step 4: Simplify right side
    331,309.50x = 85,984,075,816.67
  5. Step 5: Solve for x
    x = 85,984,075,816.67/331,309.50
  6. Step 6: Final answer
    x = 259,527.95

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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.