Home / 351,039.55-484,436.94-215,073.75

Finding the Fourth Proportional to 351,039.55, 484,436.94 and 215,073.75

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Solution

The fourth proportional to 351,039.55, 484,436.94 and 215,073.75 is: 296,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,039.55 : 484,436.94 = 215,073.75 : x
  2. Step 2: Convert to fraction form
    351,039.55/484,436.94 = 215,073.75/x
  3. Step 3: Cross multiply
    351,039.55x = 484,436.94 × 215,073.75
  4. Step 4: Simplify right side
    351,039.55x = 104,189,668,248.96
  5. Step 5: Solve for x
    x = 104,189,668,248.96/351,039.55
  6. Step 6: Final answer
    x = 296,803.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.