Home / 351,435.06-484,854.93-215,419.86

Finding the Fourth Proportional to 351,435.06, 484,854.93 and 215,419.86

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Solution

The fourth proportional to 351,435.06, 484,854.93 and 215,419.86 is: 297,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,435.06 : 484,854.93 = 215,419.86 : x
  2. Step 2: Convert to fraction form
    351,435.06/484,854.93 = 215,419.86/x
  3. Step 3: Cross multiply
    351,435.06x = 484,854.93 × 215,419.86
  4. Step 4: Simplify right side
    351,435.06x = 104,447,381,140.91
  5. Step 5: Solve for x
    x = 104,447,381,140.91/351,435.06
  6. Step 6: Final answer
    x = 297,202.51

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1.5x scale

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.