Home / 418,977.76-578,196.32-227,994.08

Finding the Fourth Proportional to 418,977.76, 578,196.32 and 227,994.08

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Solution

The fourth proportional to 418,977.76, 578,196.32 and 227,994.08 is: 314,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,977.76 : 578,196.32 = 227,994.08 : x
  2. Step 2: Convert to fraction form
    418,977.76/578,196.32 = 227,994.08/x
  3. Step 3: Cross multiply
    418,977.76x = 578,196.32 × 227,994.08
  4. Step 4: Simplify right side
    418,977.76x = 131,825,338,037.79
  5. Step 5: Solve for x
    x = 131,825,338,037.79/418,977.76
  6. Step 6: Final answer
    x = 314,635.65

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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.