Home / 418,630.35-577,703.30-227,642.07

Finding the Fourth Proportional to 418,630.35, 577,703.30 and 227,642.07

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Solution

The fourth proportional to 418,630.35, 577,703.30 and 227,642.07 is: 314,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,630.35 : 577,703.30 = 227,642.07 : x
  2. Step 2: Convert to fraction form
    418,630.35/577,703.30 = 227,642.07/x
  3. Step 3: Cross multiply
    418,630.35x = 577,703.30 × 227,642.07
  4. Step 4: Simplify right side
    418,630.35x = 131,509,573,919.62
  5. Step 5: Solve for x
    x = 131,509,573,919.62/418,630.35
  6. Step 6: Final answer
    x = 314,142.47

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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.