Home / 384,125.10-576,187.65-303,945.90

Finding the Fourth Proportional to 384,125.10, 576,187.65 and 303,945.90

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Solution

The fourth proportional to 384,125.10, 576,187.65 and 303,945.90 is: 455,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,125.10 : 576,187.65 = 303,945.90 : x
  2. Step 2: Convert to fraction form
    384,125.10/576,187.65 = 303,945.90/x
  3. Step 3: Cross multiply
    384,125.10x = 576,187.65 × 303,945.90
  4. Step 4: Simplify right side
    384,125.10x = 175,129,873,848.14
  5. Step 5: Solve for x
    x = 175,129,873,848.14/384,125.10
  6. Step 6: Final answer
    x = 455,918.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.