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Finding the Fourth Proportional to 612,075.82, 918,112.55 and 162,797.16

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Solution

The fourth proportional to 612,075.82, 918,112.55 and 162,797.16 is: 244,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,075.82 : 918,112.55 = 162,797.16 : x
  2. Step 2: Convert to fraction form
    612,075.82/918,112.55 = 162,797.16/x
  3. Step 3: Cross multiply
    612,075.82x = 918,112.55 × 162,797.16
  4. Step 4: Simplify right side
    612,075.82x = 149,466,115,700.36
  5. Step 5: Solve for x
    x = 149,466,115,700.36/612,075.82
  6. Step 6: Final answer
    x = 244,195.43

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Similar ratio
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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.