Home / 418,150.20-577,096.74-248,385

Finding the Fourth Proportional to 418,150.20, 577,096.74 and 248,385

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Solution

The fourth proportional to 418,150.20, 577,096.74 and 248,385 is: 342,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,150.20 : 577,096.74 = 248,385 : x
  2. Step 2: Convert to fraction form
    418,150.20/577,096.74 = 248,385/x
  3. Step 3: Cross multiply
    418,150.20x = 577,096.74 × 248,385
  4. Step 4: Simplify right side
    418,150.20x = 143,342,173,764.90
  5. Step 5: Solve for x
    x = 143,342,173,764.90/418,150.20
  6. Step 6: Final answer
    x = 342,800.68

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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.