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Finding the Fourth Proportional to 336,773.49, 505,159.02 and 87,455.49

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Solution

The fourth proportional to 336,773.49, 505,159.02 and 87,455.49 is: 131,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,773.49 : 505,159.02 = 87,455.49 : x
  2. Step 2: Convert to fraction form
    336,773.49/505,159.02 = 87,455.49/x
  3. Step 3: Cross multiply
    336,773.49x = 505,159.02 × 87,455.49
  4. Step 4: Simplify right side
    336,773.49x = 44,178,929,622.02
  5. Step 5: Solve for x
    x = 44,178,929,622.02/336,773.49
  6. Step 6: Final answer
    x = 131,182.92

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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.