Home / 377,338.05-520,734.60-207,572.18

Finding the Fourth Proportional to 377,338.05, 520,734.60 and 207,572.18

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Solution

The fourth proportional to 377,338.05, 520,734.60 and 207,572.18 is: 286,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,338.05 : 520,734.60 = 207,572.18 : x
  2. Step 2: Convert to fraction form
    377,338.05/520,734.60 = 207,572.18/x
  3. Step 3: Cross multiply
    377,338.05x = 520,734.60 × 207,572.18
  4. Step 4: Simplify right side
    377,338.05x = 108,090,013,519.76
  5. Step 5: Solve for x
    x = 108,090,013,519.76/377,338.05
  6. Step 6: Final answer
    x = 286,454.05

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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.