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Finding the Fourth Proportional to 565,513.88, 848,406.15 and 166,145.81

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Solution

The fourth proportional to 565,513.88, 848,406.15 and 166,145.81 is: 249,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,513.88 : 848,406.15 = 166,145.81 : x
  2. Step 2: Convert to fraction form
    565,513.88/848,406.15 = 166,145.81/x
  3. Step 3: Cross multiply
    565,513.88x = 848,406.15 × 166,145.81
  4. Step 4: Simplify right side
    565,513.88x = 140,959,122,758.70
  5. Step 5: Solve for x
    x = 140,959,122,758.70/565,513.88
  6. Step 6: Final answer
    x = 249,258.47

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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.