Home / 415,075.20-622,382.40-165,475.20

Finding the Fourth Proportional to 415,075.20, 622,382.40 and 165,475.20

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Solution

The fourth proportional to 415,075.20, 622,382.40 and 165,475.20 is: 248,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,075.20 : 622,382.40 = 165,475.20 : x
  2. Step 2: Convert to fraction form
    415,075.20/622,382.40 = 165,475.20/x
  3. Step 3: Cross multiply
    415,075.20x = 622,382.40 × 165,475.20
  4. Step 4: Simplify right side
    415,075.20x = 102,988,852,116.48
  5. Step 5: Solve for x
    x = 102,988,852,116.48/415,075.20
  6. Step 6: Final answer
    x = 248,120.95

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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.