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Finding the Fourth Proportional to 333,919.84, 500,880.80 and 97,268.32

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Solution

The fourth proportional to 333,919.84, 500,880.80 and 97,268.32 is: 145,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,919.84 : 500,880.80 = 97,268.32 : x
  2. Step 2: Convert to fraction form
    333,919.84/500,880.80 = 97,268.32/x
  3. Step 3: Cross multiply
    333,919.84x = 500,880.80 × 97,268.32
  4. Step 4: Simplify right side
    333,919.84x = 48,719,833,936.26
  5. Step 5: Solve for x
    x = 48,719,833,936.26/333,919.84
  6. Step 6: Final answer
    x = 145,902.78

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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.