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Finding the Fourth Proportional to 264,735, 397,151.70 and 87,254.48

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Solution

The fourth proportional to 264,735, 397,151.70 and 87,254.48 is: 130,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,735 : 397,151.70 = 87,254.48 : x
  2. Step 2: Convert to fraction form
    264,735/397,151.70 = 87,254.48/x
  3. Step 3: Cross multiply
    264,735x = 397,151.70 × 87,254.48
  4. Step 4: Simplify right side
    264,735x = 34,653,265,064.62
  5. Step 5: Solve for x
    x = 34,653,265,064.62/264,735
  6. Step 6: Final answer
    x = 130,897.94

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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.