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Finding the Fourth Proportional to 306,720.65, 460,083.89 and 191,350.19

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Solution

The fourth proportional to 306,720.65, 460,083.89 and 191,350.19 is: 287,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,720.65 : 460,083.89 = 191,350.19 : x
  2. Step 2: Convert to fraction form
    306,720.65/460,083.89 = 191,350.19/x
  3. Step 3: Cross multiply
    306,720.65x = 460,083.89 × 191,350.19
  4. Step 4: Simplify right side
    306,720.65x = 88,037,141,396.02
  5. Step 5: Solve for x
    x = 88,037,141,396.02/306,720.65
  6. Step 6: Final answer
    x = 287,027.11

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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.