Home / 418,346.43-577,317.83-227,359.86

Finding the Fourth Proportional to 418,346.43, 577,317.83 and 227,359.86

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Solution

The fourth proportional to 418,346.43, 577,317.83 and 227,359.86 is: 313,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,346.43 : 577,317.83 = 227,359.86 : x
  2. Step 2: Convert to fraction form
    418,346.43/577,317.83 = 227,359.86/x
  3. Step 3: Cross multiply
    418,346.43x = 577,317.83 × 227,359.86
  4. Step 4: Simplify right side
    418,346.43x = 131,258,899,867.50
  5. Step 5: Solve for x
    x = 131,258,899,867.50/418,346.43
  6. Step 6: Final answer
    x = 313,756.47

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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.