Home / 377,674.38-521,260.52-216,530.55

Finding the Fourth Proportional to 377,674.38, 521,260.52 and 216,530.55

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Solution

The fourth proportional to 377,674.38, 521,260.52 and 216,530.55 is: 298,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,674.38 : 521,260.52 = 216,530.55 : x
  2. Step 2: Convert to fraction form
    377,674.38/521,260.52 = 216,530.55/x
  3. Step 3: Cross multiply
    377,674.38x = 521,260.52 × 216,530.55
  4. Step 4: Simplify right side
    377,674.38x = 112,868,826,006.23
  5. Step 5: Solve for x
    x = 112,868,826,006.23/377,674.38
  6. Step 6: Final answer
    x = 298,852.22

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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.