Home / 303,366.20-455,705.40-214,792.70

Finding the Fourth Proportional to 303,366.20, 455,705.40 and 214,792.70

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Solution

The fourth proportional to 303,366.20, 455,705.40 and 214,792.70 is: 322,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,366.20 : 455,705.40 = 214,792.70 : x
  2. Step 2: Convert to fraction form
    303,366.20/455,705.40 = 214,792.70/x
  3. Step 3: Cross multiply
    303,366.20x = 455,705.40 × 214,792.70
  4. Step 4: Simplify right side
    303,366.20x = 97,882,193,270.58
  5. Step 5: Solve for x
    x = 97,882,193,270.58/303,366.20
  6. Step 6: Final answer
    x = 322,653.59

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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.