Home / 330,080.87-455,480.11-262,262.00

Finding the Fourth Proportional to 330,080.87, 455,480.11 and 262,262.00

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Solution

The fourth proportional to 330,080.87, 455,480.11 and 262,262.00 is: 361,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,080.87 : 455,480.11 = 262,262.00 : x
  2. Step 2: Convert to fraction form
    330,080.87/455,480.11 = 262,262.00/x
  3. Step 3: Cross multiply
    330,080.87x = 455,480.11 × 262,262.00
  4. Step 4: Simplify right side
    330,080.87x = 119,455,126,075.35
  5. Step 5: Solve for x
    x = 119,455,126,075.35/330,080.87
  6. Step 6: Final answer
    x = 361,896.54

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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.