Home / 453,112.04-679,624.12-137,571.68

Finding the Fourth Proportional to 453,112.04, 679,624.12 and 137,571.68

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Solution

The fourth proportional to 453,112.04, 679,624.12 and 137,571.68 is: 206,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,112.04 : 679,624.12 = 137,571.68 : x
  2. Step 2: Convert to fraction form
    453,112.04/679,624.12 = 137,571.68/x
  3. Step 3: Cross multiply
    453,112.04x = 679,624.12 × 137,571.68
  4. Step 4: Simplify right side
    453,112.04x = 93,497,033,827.95
  5. Step 5: Solve for x
    x = 93,497,033,827.95/453,112.04
  6. Step 6: Final answer
    x = 206,344.18

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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.