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Finding the Fourth Proportional to 265,580.64, 366,496.52 and 144,722.90

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Solution

The fourth proportional to 265,580.64, 366,496.52 and 144,722.90 is: 199,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,580.64 : 366,496.52 = 144,722.90 : x
  2. Step 2: Convert to fraction form
    265,580.64/366,496.52 = 144,722.90/x
  3. Step 3: Cross multiply
    265,580.64x = 366,496.52 × 144,722.90
  4. Step 4: Simplify right side
    265,580.64x = 53,040,439,406.93
  5. Step 5: Solve for x
    x = 53,040,439,406.93/265,580.64
  6. Step 6: Final answer
    x = 199,715.01

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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.