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Finding the Fourth Proportional to 447,963.10, 618,189.06 and 246,759.10

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Solution

The fourth proportional to 447,963.10, 618,189.06 and 246,759.10 is: 340,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,963.10 : 618,189.06 = 246,759.10 : x
  2. Step 2: Convert to fraction form
    447,963.10/618,189.06 = 246,759.10/x
  3. Step 3: Cross multiply
    447,963.10x = 618,189.06 × 246,759.10
  4. Step 4: Simplify right side
    447,963.10x = 152,543,776,075.45
  5. Step 5: Solve for x
    x = 152,543,776,075.45/447,963.10
  6. Step 6: Final answer
    x = 340,527.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.