Home / 377,931.86-521,535.26-205,845.92

Finding the Fourth Proportional to 377,931.86, 521,535.26 and 205,845.92

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Solution

The fourth proportional to 377,931.86, 521,535.26 and 205,845.92 is: 284,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,931.86 : 521,535.26 = 205,845.92 : x
  2. Step 2: Convert to fraction form
    377,931.86/521,535.26 = 205,845.92/x
  3. Step 3: Cross multiply
    377,931.86x = 521,535.26 × 205,845.92
  4. Step 4: Simplify right side
    377,931.86x = 107,355,905,407.14
  5. Step 5: Solve for x
    x = 107,355,905,407.14/377,931.86
  6. Step 6: Final answer
    x = 284,061.54

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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.