Home / 418,718.48-577,829.90-227,735.06

Finding the Fourth Proportional to 418,718.48, 577,829.90 and 227,735.06

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Solution

The fourth proportional to 418,718.48, 577,829.90 and 227,735.06 is: 314,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,718.48 : 577,829.90 = 227,735.06 : x
  2. Step 2: Convert to fraction form
    418,718.48/577,829.90 = 227,735.06/x
  3. Step 3: Cross multiply
    418,718.48x = 577,829.90 × 227,735.06
  4. Step 4: Simplify right side
    418,718.48x = 131,592,122,918.47
  5. Step 5: Solve for x
    x = 131,592,122,918.47/418,718.48
  6. Step 6: Final answer
    x = 314,273.51

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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.