Home / 453,022.21-679,537.46-137,479.15

Finding the Fourth Proportional to 453,022.21, 679,537.46 and 137,479.15

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Solution

The fourth proportional to 453,022.21, 679,537.46 and 137,479.15 is: 206,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022.21 : 679,537.46 = 137,479.15 : x
  2. Step 2: Convert to fraction form
    453,022.21/679,537.46 = 137,479.15/x
  3. Step 3: Cross multiply
    453,022.21x = 679,537.46 × 137,479.15
  4. Step 4: Simplify right side
    453,022.21x = 93,422,232,393.96
  5. Step 5: Solve for x
    x = 93,422,232,393.96/453,022.21
  6. Step 6: Final answer
    x = 206,219.98

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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.