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Finding the Fourth Proportional to 264,546.54, 365,076.89 and 143,690.19

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Solution

The fourth proportional to 264,546.54, 365,076.89 and 143,690.19 is: 198,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,546.54 : 365,076.89 = 143,690.19 : x
  2. Step 2: Convert to fraction form
    264,546.54/365,076.89 = 143,690.19/x
  3. Step 3: Cross multiply
    264,546.54x = 365,076.89 × 143,690.19
  4. Step 4: Simplify right side
    264,546.54x = 52,457,966,970.26
  5. Step 5: Solve for x
    x = 52,457,966,970.26/264,546.54
  6. Step 6: Final answer
    x = 198,293.91

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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.