Home / 377,500.37-520,972.94-216,365.76

Finding the Fourth Proportional to 377,500.37, 520,972.94 and 216,365.76

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Solution

The fourth proportional to 377,500.37, 520,972.94 and 216,365.76 is: 298,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,500.37 : 520,972.94 = 216,365.76 : x
  2. Step 2: Convert to fraction form
    377,500.37/520,972.94 = 216,365.76/x
  3. Step 3: Cross multiply
    377,500.37x = 520,972.94 × 216,365.76
  4. Step 4: Simplify right side
    377,500.37x = 112,720,705,020.71
  5. Step 5: Solve for x
    x = 112,720,705,020.71/377,500.37
  6. Step 6: Final answer
    x = 298,597.61

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1.5x scale

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.