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Finding the Fourth Proportional to 461,350.36, 636,662.44 and 260,144.92

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Solution

The fourth proportional to 461,350.36, 636,662.44 and 260,144.92 is: 358,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,350.36 : 636,662.44 = 260,144.92 : x
  2. Step 2: Convert to fraction form
    461,350.36/636,662.44 = 260,144.92/x
  3. Step 3: Cross multiply
    461,350.36x = 636,662.44 × 260,144.92
  4. Step 4: Simplify right side
    461,350.36x = 165,624,499,520.81
  5. Step 5: Solve for x
    x = 165,624,499,520.81/461,350.36
  6. Step 6: Final answer
    x = 358,999.39

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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.