Home / 377,341.05-520,738.74-207,575.16

Finding the Fourth Proportional to 377,341.05, 520,738.74 and 207,575.16

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Solution

The fourth proportional to 377,341.05, 520,738.74 and 207,575.16 is: 286,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,341.05 : 520,738.74 = 207,575.16 : x
  2. Step 2: Convert to fraction form
    377,341.05/520,738.74 = 207,575.16/x
  3. Step 3: Cross multiply
    377,341.05x = 520,738.74 × 207,575.16
  4. Step 4: Simplify right side
    377,341.05x = 108,092,427,273.70
  5. Step 5: Solve for x
    x = 108,092,427,273.70/377,341.05
  6. Step 6: Final answer
    x = 286,458.17

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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.