Home / 351,258.13-484,747.98-215,265.81

Finding the Fourth Proportional to 351,258.13, 484,747.98 and 215,265.81

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Solution

The fourth proportional to 351,258.13, 484,747.98 and 215,265.81 is: 297,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,258.13 : 484,747.98 = 215,265.81 : x
  2. Step 2: Convert to fraction form
    351,258.13/484,747.98 = 215,265.81/x
  3. Step 3: Cross multiply
    351,258.13x = 484,747.98 × 215,265.81
  4. Step 4: Simplify right side
    351,258.13x = 104,349,667,571.12
  5. Step 5: Solve for x
    x = 104,349,667,571.12/351,258.13
  6. Step 6: Final answer
    x = 297,074.03

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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.