Home / 377,377.06-520,854.78-216,340.24

Finding the Fourth Proportional to 377,377.06, 520,854.78 and 216,340.24

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Solution

The fourth proportional to 377,377.06, 520,854.78 and 216,340.24 is: 298,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,377.06 : 520,854.78 = 216,340.24 : x
  2. Step 2: Convert to fraction form
    377,377.06/520,854.78 = 216,340.24/x
  3. Step 3: Cross multiply
    377,377.06x = 520,854.78 × 216,340.24
  4. Step 4: Simplify right side
    377,377.06x = 112,681,848,110.35
  5. Step 5: Solve for x
    x = 112,681,848,110.35/377,377.06
  6. Step 6: Final answer
    x = 298,592.20

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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.