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Finding the Fourth Proportional to 461,372.22, 636,693.75 and 260,168.22

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Solution

The fourth proportional to 461,372.22, 636,693.75 and 260,168.22 is: 359,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,372.22 : 636,693.75 = 260,168.22 : x
  2. Step 2: Convert to fraction form
    461,372.22/636,693.75 = 260,168.22/x
  3. Step 3: Cross multiply
    461,372.22x = 636,693.75 × 260,168.22
  4. Step 4: Simplify right side
    461,372.22x = 165,647,479,622.63
  5. Step 5: Solve for x
    x = 165,647,479,622.63/461,372.22
  6. Step 6: Final answer
    x = 359,032.19

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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.