Home / 330,231.30-455,800.86-187,075.74

Finding the Fourth Proportional to 330,231.30, 455,800.86 and 187,075.74

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Solution

The fourth proportional to 330,231.30, 455,800.86 and 187,075.74 is: 258,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,231.30 : 455,800.86 = 187,075.74 : x
  2. Step 2: Convert to fraction form
    330,231.30/455,800.86 = 187,075.74/x
  3. Step 3: Cross multiply
    330,231.30x = 455,800.86 × 187,075.74
  4. Step 4: Simplify right side
    330,231.30x = 85,269,283,177.14
  5. Step 5: Solve for x
    x = 85,269,283,177.14/330,231.30
  6. Step 6: Final answer
    x = 258,210.78

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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.