Home / 451,338.02-676,631.83-211,333.91

Finding the Fourth Proportional to 451,338.02, 676,631.83 and 211,333.91

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Solution

The fourth proportional to 451,338.02, 676,631.83 and 211,333.91 is: 316,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,338.02 : 676,631.83 = 211,333.91 : x
  2. Step 2: Convert to fraction form
    451,338.02/676,631.83 = 211,333.91/x
  3. Step 3: Cross multiply
    451,338.02x = 676,631.83 × 211,333.91
  4. Step 4: Simplify right side
    451,338.02x = 142,995,250,555.17
  5. Step 5: Solve for x
    x = 142,995,250,555.17/451,338.02
  6. Step 6: Final answer
    x = 316,825.18

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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.