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Finding the Fourth Proportional to 663,075.40, 994,613.10 and 164,439.40

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Solution

The fourth proportional to 663,075.40, 994,613.10 and 164,439.40 is: 246,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,075.40 : 994,613.10 = 164,439.40 : x
  2. Step 2: Convert to fraction form
    663,075.40/994,613.10 = 164,439.40/x
  3. Step 3: Cross multiply
    663,075.40x = 994,613.10 × 164,439.40
  4. Step 4: Simplify right side
    663,075.40x = 163,553,581,396.14
  5. Step 5: Solve for x
    x = 163,553,581,396.14/663,075.40
  6. Step 6: Final answer
    x = 246,659.10

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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.