Home / 424,239.40-636,566.46-199,622.15

Finding the Fourth Proportional to 424,239.40, 636,566.46 and 199,622.15

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Solution

The fourth proportional to 424,239.40, 636,566.46 and 199,622.15 is: 299,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,239.40 : 636,566.46 = 199,622.15 : x
  2. Step 2: Convert to fraction form
    424,239.40/636,566.46 = 199,622.15/x
  3. Step 3: Cross multiply
    424,239.40x = 636,566.46 × 199,622.15
  4. Step 4: Simplify right side
    424,239.40x = 127,072,765,363.09
  5. Step 5: Solve for x
    x = 127,072,765,363.09/424,239.40
  6. Step 6: Final answer
    x = 299,530.80

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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.