Home / 377,535.32-520,998.80-207,769.44

Finding the Fourth Proportional to 377,535.32, 520,998.80 and 207,769.44

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Solution

The fourth proportional to 377,535.32, 520,998.80 and 207,769.44 is: 286,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,535.32 : 520,998.80 = 207,769.44 : x
  2. Step 2: Convert to fraction form
    377,535.32/520,998.80 = 207,769.44/x
  3. Step 3: Cross multiply
    377,535.32x = 520,998.80 × 207,769.44
  4. Step 4: Simplify right side
    377,535.32x = 108,247,628,916.67
  5. Step 5: Solve for x
    x = 108,247,628,916.67/377,535.32
  6. Step 6: Final answer
    x = 286,721.86

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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.