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Finding the Fourth Proportional to 291,466.37, 437,215.23 and 91,802.39

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Solution

The fourth proportional to 291,466.37, 437,215.23 and 91,802.39 is: 137,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,466.37 : 437,215.23 = 91,802.39 : x
  2. Step 2: Convert to fraction form
    291,466.37/437,215.23 = 91,802.39/x
  3. Step 3: Cross multiply
    291,466.37x = 437,215.23 × 91,802.39
  4. Step 4: Simplify right side
    291,466.37x = 40,137,400,872.32
  5. Step 5: Solve for x
    x = 40,137,400,872.32/291,466.37
  6. Step 6: Final answer
    x = 137,708.51

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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.