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Finding the Fourth Proportional to 348,754.82, 523,129.71 and 230,953.46

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Solution

The fourth proportional to 348,754.82, 523,129.71 and 230,953.46 is: 346,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,754.82 : 523,129.71 = 230,953.46 : x
  2. Step 2: Convert to fraction form
    348,754.82/523,129.71 = 230,953.46/x
  3. Step 3: Cross multiply
    348,754.82x = 523,129.71 × 230,953.46
  4. Step 4: Simplify right side
    348,754.82x = 120,818,616,553.30
  5. Step 5: Solve for x
    x = 120,818,616,553.30/348,754.82
  6. Step 6: Final answer
    x = 346,428.52

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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.