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Finding the Fourth Proportional to 424,196.85, 636,262.19 and 246,590.58

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Solution

The fourth proportional to 424,196.85, 636,262.19 and 246,590.58 is: 369,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,196.85 : 636,262.19 = 246,590.58 : x
  2. Step 2: Convert to fraction form
    424,196.85/636,262.19 = 246,590.58/x
  3. Step 3: Cross multiply
    424,196.85x = 636,262.19 × 246,590.58
  4. Step 4: Simplify right side
    424,196.85x = 156,896,261,231.22
  5. Step 5: Solve for x
    x = 156,896,261,231.22/424,196.85
  6. Step 6: Final answer
    x = 369,866.63

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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.