Home / 377,949.87-521,572.23-208,183.59

Finding the Fourth Proportional to 377,949.87, 521,572.23 and 208,183.59

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Solution

The fourth proportional to 377,949.87, 521,572.23 and 208,183.59 is: 287,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,949.87 : 521,572.23 = 208,183.59 : x
  2. Step 2: Convert to fraction form
    377,949.87/521,572.23 = 208,183.59/x
  3. Step 3: Cross multiply
    377,949.87x = 521,572.23 × 208,183.59
  4. Step 4: Simplify right side
    377,949.87x = 108,582,779,285.71
  5. Step 5: Solve for x
    x = 108,582,779,285.71/377,949.87
  6. Step 6: Final answer
    x = 287,294.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.