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Finding the Fourth Proportional to 510,053.14, 703,861.81 and 348,902.22

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Solution

The fourth proportional to 510,053.14, 703,861.81 and 348,902.22 is: 481,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,053.14 : 703,861.81 = 348,902.22 : x
  2. Step 2: Convert to fraction form
    510,053.14/703,861.81 = 348,902.22/x
  3. Step 3: Cross multiply
    510,053.14x = 703,861.81 × 348,902.22
  4. Step 4: Simplify right side
    510,053.14x = 245,578,948,082.22
  5. Step 5: Solve for x
    x = 245,578,948,082.22/510,053.14
  6. Step 6: Final answer
    x = 481,477.18

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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.