Home / 303,065.20-455,581.95-214,929.10

Finding the Fourth Proportional to 303,065.20, 455,581.95 and 214,929.10

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Solution

The fourth proportional to 303,065.20, 455,581.95 and 214,929.10 is: 323,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,065.20 : 455,581.95 = 214,929.10 : x
  2. Step 2: Convert to fraction form
    303,065.20/455,581.95 = 214,929.10/x
  3. Step 3: Cross multiply
    303,065.20x = 455,581.95 × 214,929.10
  4. Step 4: Simplify right side
    303,065.20x = 97,917,818,489.75
  5. Step 5: Solve for x
    x = 97,917,818,489.75/303,065.20
  6. Step 6: Final answer
    x = 323,091.59

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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.