Home / 377,012.20-565,518.30-216,923.80

Finding the Fourth Proportional to 377,012.20, 565,518.30 and 216,923.80

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Solution

The fourth proportional to 377,012.20, 565,518.30 and 216,923.80 is: 325,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,012.20 : 565,518.30 = 216,923.80 : x
  2. Step 2: Convert to fraction form
    377,012.20/565,518.30 = 216,923.80/x
  3. Step 3: Cross multiply
    377,012.20x = 565,518.30 × 216,923.80
  4. Step 4: Simplify right side
    377,012.20x = 122,674,378,605.54
  5. Step 5: Solve for x
    x = 122,674,378,605.54/377,012.20
  6. Step 6: Final answer
    x = 325,385.70

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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.