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Finding the Fourth Proportional to 453,585.80, 680,351.36 and 200,792.30

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Solution

The fourth proportional to 453,585.80, 680,351.36 and 200,792.30 is: 301,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,585.80 : 680,351.36 = 200,792.30 : x
  2. Step 2: Convert to fraction form
    453,585.80/680,351.36 = 200,792.30/x
  3. Step 3: Cross multiply
    453,585.80x = 680,351.36 × 200,792.30
  4. Step 4: Simplify right side
    453,585.80x = 136,609,314,382.53
  5. Step 5: Solve for x
    x = 136,609,314,382.53/453,585.80
  6. Step 6: Final answer
    x = 301,176.35

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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.