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Finding the Fourth Proportional to 384,506.02, 576,857.51 and 118,268.87

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Solution

The fourth proportional to 384,506.02, 576,857.51 and 118,268.87 is: 177,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,506.02 : 576,857.51 = 118,268.87 : x
  2. Step 2: Convert to fraction form
    384,506.02/576,857.51 = 118,268.87/x
  3. Step 3: Cross multiply
    384,506.02x = 576,857.51 × 118,268.87
  4. Step 4: Simplify right side
    384,506.02x = 68,224,285,858.71
  5. Step 5: Solve for x
    x = 68,224,285,858.71/384,506.02
  6. Step 6: Final answer
    x = 177,433.60

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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.