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Finding the Fourth Proportional to 265,033.74, 397,466.37 and 87,507.66

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Solution

The fourth proportional to 265,033.74, 397,466.37 and 87,507.66 is: 131,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,033.74 : 397,466.37 = 87,507.66 : x
  2. Step 2: Convert to fraction form
    265,033.74/397,466.37 = 87,507.66/x
  3. Step 3: Cross multiply
    265,033.74x = 397,466.37 × 87,507.66
  4. Step 4: Simplify right side
    265,033.74x = 34,781,351,967.39
  5. Step 5: Solve for x
    x = 34,781,351,967.39/265,033.74
  6. Step 6: Final answer
    x = 131,233.68

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1.5x scale

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.