Home / 231,424.32-347,333.73-91,281.36

Finding the Fourth Proportional to 231,424.32, 347,333.73 and 91,281.36

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Solution

The fourth proportional to 231,424.32, 347,333.73 and 91,281.36 is: 136,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,424.32 : 347,333.73 = 91,281.36 : x
  2. Step 2: Convert to fraction form
    231,424.32/347,333.73 = 91,281.36/x
  3. Step 3: Cross multiply
    231,424.32x = 347,333.73 × 91,281.36
  4. Step 4: Simplify right side
    231,424.32x = 31,705,095,248.27
  5. Step 5: Solve for x
    x = 31,705,095,248.27/231,424.32
  6. Step 6: Final answer
    x = 136,999.84

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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.