Home / 374,284.31-561,804.93-331,861.37

Finding the Fourth Proportional to 374,284.31, 561,804.93 and 331,861.37

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Solution

The fourth proportional to 374,284.31, 561,804.93 and 331,861.37 is: 498,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,284.31 : 561,804.93 = 331,861.37 : x
  2. Step 2: Convert to fraction form
    374,284.31/561,804.93 = 331,861.37/x
  3. Step 3: Cross multiply
    374,284.31x = 561,804.93 × 331,861.37
  4. Step 4: Simplify right side
    374,284.31x = 186,441,350,933.53
  5. Step 5: Solve for x
    x = 186,441,350,933.53/374,284.31
  6. Step 6: Final answer
    x = 498,127.62

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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.