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Finding the Fourth Proportional to 260,724.70, 365,801.90 and 260,724.70

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Solution

The fourth proportional to 260,724.70, 365,801.90 and 260,724.70 is: 365,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,724.70 : 365,801.90 = 260,724.70 : x
  2. Step 2: Convert to fraction form
    260,724.70/365,801.90 = 260,724.70/x
  3. Step 3: Cross multiply
    260,724.70x = 365,801.90 × 260,724.70
  4. Step 4: Simplify right side
    260,724.70x = 95,373,590,636.93
  5. Step 5: Solve for x
    x = 95,373,590,636.93/260,724.70
  6. Step 6: Final answer
    x = 365,801.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.