Home / 642,442.29-963,289.82-243,113.85

Finding the Fourth Proportional to 642,442.29, 963,289.82 and 243,113.85

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Solution

The fourth proportional to 642,442.29, 963,289.82 and 243,113.85 is: 364,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,442.29 : 963,289.82 = 243,113.85 : x
  2. Step 2: Convert to fraction form
    642,442.29/963,289.82 = 243,113.85/x
  3. Step 3: Cross multiply
    642,442.29x = 963,289.82 × 243,113.85
  4. Step 4: Simplify right side
    642,442.29x = 234,189,095,590.44
  5. Step 5: Solve for x
    x = 234,189,095,590.44/642,442.29
  6. Step 6: Final answer
    x = 364,529.39

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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.