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Finding the Fourth Proportional to 334,428.84, 501,695.43 and 109,738.13

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Solution

The fourth proportional to 334,428.84, 501,695.43 and 109,738.13 is: 164,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,428.84 : 501,695.43 = 109,738.13 : x
  2. Step 2: Convert to fraction form
    334,428.84/501,695.43 = 109,738.13/x
  3. Step 3: Cross multiply
    334,428.84x = 501,695.43 × 109,738.13
  4. Step 4: Simplify right side
    334,428.84x = 55,055,118,317.75
  5. Step 5: Solve for x
    x = 55,055,118,317.75/334,428.84
  6. Step 6: Final answer
    x = 164,624.31

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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.