Home / 291,669.24-437,513.28-91,991.52

Finding the Fourth Proportional to 291,669.24, 437,513.28 and 91,991.52

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Solution

The fourth proportional to 291,669.24, 437,513.28 and 91,991.52 is: 137,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,669.24 : 437,513.28 = 91,991.52 : x
  2. Step 2: Convert to fraction form
    291,669.24/437,513.28 = 91,991.52/x
  3. Step 3: Cross multiply
    291,669.24x = 437,513.28 × 91,991.52
  4. Step 4: Simplify right side
    291,669.24x = 40,247,511,647.39
  5. Step 5: Solve for x
    x = 40,247,511,647.39/291,669.24
  6. Step 6: Final answer
    x = 137,990.25

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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.