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Finding the Fourth Proportional to 240,490.66, 360,457.16 and 90,635

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Solution

The fourth proportional to 240,490.66, 360,457.16 and 90,635 is: 135,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,490.66 : 360,457.16 = 90,635 : x
  2. Step 2: Convert to fraction form
    240,490.66/360,457.16 = 90,635/x
  3. Step 3: Cross multiply
    240,490.66x = 360,457.16 × 90,635
  4. Step 4: Simplify right side
    240,490.66x = 32,670,034,696.60
  5. Step 5: Solve for x
    x = 32,670,034,696.60/240,490.66
  6. Step 6: Final answer
    x = 135,847.42

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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.