Home / 418,795.90-577,935.74-227,810.04

Finding the Fourth Proportional to 418,795.90, 577,935.74 and 227,810.04

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Solution

The fourth proportional to 418,795.90, 577,935.74 and 227,810.04 is: 314,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,795.90 : 577,935.74 = 227,810.04 : x
  2. Step 2: Convert to fraction form
    418,795.90/577,935.74 = 227,810.04/x
  3. Step 3: Cross multiply
    418,795.90x = 577,935.74 × 227,810.04
  4. Step 4: Simplify right side
    418,795.90x = 131,659,564,046.83
  5. Step 5: Solve for x
    x = 131,659,564,046.83/418,795.90
  6. Step 6: Final answer
    x = 314,376.44

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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.