Home / 418,081.72-576,731.64-264,849.60

Finding the Fourth Proportional to 418,081.72, 576,731.64 and 264,849.60

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Solution

The fourth proportional to 418,081.72, 576,731.64 and 264,849.60 is: 365,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,081.72 : 576,731.64 = 264,849.60 : x
  2. Step 2: Convert to fraction form
    418,081.72/576,731.64 = 264,849.60/x
  3. Step 3: Cross multiply
    418,081.72x = 576,731.64 × 264,849.60
  4. Step 4: Simplify right side
    418,081.72x = 152,747,144,161.34
  5. Step 5: Solve for x
    x = 152,747,144,161.34/418,081.72
  6. Step 6: Final answer
    x = 365,352.36

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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.