Home / 266,611.46-400,075.07-98,249.78

Finding the Fourth Proportional to 266,611.46, 400,075.07 and 98,249.78

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Solution

The fourth proportional to 266,611.46, 400,075.07 and 98,249.78 is: 147,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,611.46 : 400,075.07 = 98,249.78 : x
  2. Step 2: Convert to fraction form
    266,611.46/400,075.07 = 98,249.78/x
  3. Step 3: Cross multiply
    266,611.46x = 400,075.07 × 98,249.78
  4. Step 4: Simplify right side
    266,611.46x = 39,307,288,119.92
  5. Step 5: Solve for x
    x = 39,307,288,119.92/266,611.46
  6. Step 6: Final answer
    x = 147,432.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.