Home / 266,889.15-400,348.31-89,380.08

Finding the Fourth Proportional to 266,889.15, 400,348.31 and 89,380.08

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Solution

The fourth proportional to 266,889.15, 400,348.31 and 89,380.08 is: 134,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,889.15 : 400,348.31 = 89,380.08 : x
  2. Step 2: Convert to fraction form
    266,889.15/400,348.31 = 89,380.08/x
  3. Step 3: Cross multiply
    266,889.15x = 400,348.31 × 89,380.08
  4. Step 4: Simplify right side
    266,889.15x = 35,783,163,528.76
  5. Step 5: Solve for x
    x = 35,783,163,528.76/266,889.15
  6. Step 6: Final answer
    x = 134,075.00

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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.