Home / 377,981.76-521,380.32-224,916.48

Finding the Fourth Proportional to 377,981.76, 521,380.32 and 224,916.48

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Solution

The fourth proportional to 377,981.76, 521,380.32 and 224,916.48 is: 310,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,981.76 : 521,380.32 = 224,916.48 : x
  2. Step 2: Convert to fraction form
    377,981.76/521,380.32 = 224,916.48/x
  3. Step 3: Cross multiply
    377,981.76x = 521,380.32 × 224,916.48
  4. Step 4: Simplify right side
    377,981.76x = 117,267,026,315.67
  5. Step 5: Solve for x
    x = 117,267,026,315.67/377,981.76
  6. Step 6: Final answer
    x = 310,245.20

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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.