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Finding the Fourth Proportional to 293,532.39, 440,361.32 and 91,124.03

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Solution

The fourth proportional to 293,532.39, 440,361.32 and 91,124.03 is: 136,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,532.39 : 440,361.32 = 91,124.03 : x
  2. Step 2: Convert to fraction form
    293,532.39/440,361.32 = 91,124.03/x
  3. Step 3: Cross multiply
    293,532.39x = 440,361.32 × 91,124.03
  4. Step 4: Simplify right side
    293,532.39x = 40,127,495,477.09
  5. Step 5: Solve for x
    x = 40,127,495,477.09/293,532.39
  6. Step 6: Final answer
    x = 136,705.51

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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.