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Finding the Fourth Proportional to 418,119.52, 576,877.80 and 236,802.64

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Solution

The fourth proportional to 418,119.52, 576,877.80 and 236,802.64 is: 326,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,119.52 : 576,877.80 = 236,802.64 : x
  2. Step 2: Convert to fraction form
    418,119.52/576,877.80 = 236,802.64/x
  3. Step 3: Cross multiply
    418,119.52x = 576,877.80 × 236,802.64
  4. Step 4: Simplify right side
    418,119.52x = 136,606,185,997.39
  5. Step 5: Solve for x
    x = 136,606,185,997.39/418,119.52
  6. Step 6: Final answer
    x = 326,715.64

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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.