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Finding the Fourth Proportional to 635,806.40, 953,710.07 and 162,492.21

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Solution

The fourth proportional to 635,806.40, 953,710.07 and 162,492.21 is: 243,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,806.40 : 953,710.07 = 162,492.21 : x
  2. Step 2: Convert to fraction form
    635,806.40/953,710.07 = 162,492.21/x
  3. Step 3: Cross multiply
    635,806.40x = 953,710.07 × 162,492.21
  4. Step 4: Simplify right side
    635,806.40x = 154,970,456,161.09
  5. Step 5: Solve for x
    x = 154,970,456,161.09/635,806.40
  6. Step 6: Final answer
    x = 243,738.44

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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.