Home / 511,075.28-766,612.92-178,573.52

Finding the Fourth Proportional to 511,075.28, 766,612.92 and 178,573.52

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Solution

The fourth proportional to 511,075.28, 766,612.92 and 178,573.52 is: 267,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,075.28 : 766,612.92 = 178,573.52 : x
  2. Step 2: Convert to fraction form
    511,075.28/766,612.92 = 178,573.52/x
  3. Step 3: Cross multiply
    511,075.28x = 766,612.92 × 178,573.52
  4. Step 4: Simplify right side
    511,075.28x = 136,896,767,601.88
  5. Step 5: Solve for x
    x = 136,896,767,601.88/511,075.28
  6. Step 6: Final answer
    x = 267,860.28

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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.