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Finding the Fourth Proportional to 508,069.49, 701,166.89 and 293,223.39

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Solution

The fourth proportional to 508,069.49, 701,166.89 and 293,223.39 is: 404,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,069.49 : 701,166.89 = 293,223.39 : x
  2. Step 2: Convert to fraction form
    508,069.49/701,166.89 = 293,223.39/x
  3. Step 3: Cross multiply
    508,069.49x = 701,166.89 × 293,223.39
  4. Step 4: Simplify right side
    508,069.49x = 205,598,534,901.65
  5. Step 5: Solve for x
    x = 205,598,534,901.65/508,069.49
  6. Step 6: Final answer
    x = 404,666.17

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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.