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Finding the Fourth Proportional to 341,579.71, 512,388.24 and 141,920.28

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Solution

The fourth proportional to 341,579.71, 512,388.24 and 141,920.28 is: 212,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,579.71 : 512,388.24 = 141,920.28 : x
  2. Step 2: Convert to fraction form
    341,579.71/512,388.24 = 141,920.28/x
  3. Step 3: Cross multiply
    341,579.71x = 512,388.24 × 141,920.28
  4. Step 4: Simplify right side
    341,579.71x = 72,718,282,489.51
  5. Step 5: Solve for x
    x = 72,718,282,489.51/341,579.71
  6. Step 6: Final answer
    x = 212,888.18

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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.