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Finding the Fourth Proportional to 518,047.13, 777,513.56 and 202,725.47

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Solution

The fourth proportional to 518,047.13, 777,513.56 and 202,725.47 is: 304,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,047.13 : 777,513.56 = 202,725.47 : x
  2. Step 2: Convert to fraction form
    518,047.13/777,513.56 = 202,725.47/x
  3. Step 3: Cross multiply
    518,047.13x = 777,513.56 × 202,725.47
  4. Step 4: Simplify right side
    518,047.13x = 157,621,796,981.18
  5. Step 5: Solve for x
    x = 157,621,796,981.18/518,047.13
  6. Step 6: Final answer
    x = 304,261.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.