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Finding the Fourth Proportional to 265,533.76, 366,431.93 and 144,675.91

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Solution

The fourth proportional to 265,533.76, 366,431.93 and 144,675.91 is: 199,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,533.76 : 366,431.93 = 144,675.91 : x
  2. Step 2: Convert to fraction form
    265,533.76/366,431.93 = 144,675.91/x
  3. Step 3: Cross multiply
    265,533.76x = 366,431.93 × 144,675.91
  4. Step 4: Simplify right side
    265,533.76x = 53,013,874,016.80
  5. Step 5: Solve for x
    x = 53,013,874,016.80/265,533.76
  6. Step 6: Final answer
    x = 199,650.22

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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.