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Finding the Fourth Proportional to 265,295.19, 366,115.02 and 144,438.51

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Solution

The fourth proportional to 265,295.19, 366,115.02 and 144,438.51 is: 199,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,295.19 : 366,115.02 = 144,438.51 : x
  2. Step 2: Convert to fraction form
    265,295.19/366,115.02 = 144,438.51/x
  3. Step 3: Cross multiply
    265,295.19x = 366,115.02 × 144,438.51
  4. Step 4: Simplify right side
    265,295.19x = 52,881,107,977.42
  5. Step 5: Solve for x
    x = 52,881,107,977.42/265,295.19
  6. Step 6: Final answer
    x = 199,329.31

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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.