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Finding the Fourth Proportional to 316,183.47, 436,475.52 and 201,615.68

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Solution

The fourth proportional to 316,183.47, 436,475.52 and 201,615.68 is: 278,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,183.47 : 436,475.52 = 201,615.68 : x
  2. Step 2: Convert to fraction form
    316,183.47/436,475.52 = 201,615.68/x
  3. Step 3: Cross multiply
    316,183.47x = 436,475.52 × 201,615.68
  4. Step 4: Simplify right side
    316,183.47x = 88,000,308,768.15
  5. Step 5: Solve for x
    x = 88,000,308,768.15/316,183.47
  6. Step 6: Final answer
    x = 278,320.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.