Home / 377,346.80-520,752.09-216,232.96

Finding the Fourth Proportional to 377,346.80, 520,752.09 and 216,232.96

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Solution

The fourth proportional to 377,346.80, 520,752.09 and 216,232.96 is: 298,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,346.80 : 520,752.09 = 216,232.96 : x
  2. Step 2: Convert to fraction form
    377,346.80/520,752.09 = 216,232.96/x
  3. Step 3: Cross multiply
    377,346.80x = 520,752.09 × 216,232.96
  4. Step 4: Simplify right side
    377,346.80x = 112,603,767,582.79
  5. Step 5: Solve for x
    x = 112,603,767,582.79/377,346.80
  6. Step 6: Final answer
    x = 298,409.23

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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.