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Finding the Fourth Proportional to 424,010.30, 636,005.47 and 104,161.67

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Solution

The fourth proportional to 424,010.30, 636,005.47 and 104,161.67 is: 156,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,010.30 : 636,005.47 = 104,161.67 : x
  2. Step 2: Convert to fraction form
    424,010.30/636,005.47 = 104,161.67/x
  3. Step 3: Cross multiply
    424,010.30x = 636,005.47 × 104,161.67
  4. Step 4: Simplify right side
    424,010.30x = 66,247,388,443.90
  5. Step 5: Solve for x
    x = 66,247,388,443.90/424,010.30
  6. Step 6: Final answer
    x = 156,240.04

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1.5x scale

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.