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Finding the Fourth Proportional to 435,745.40, 653,132.10 and 169,417.40

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Solution

The fourth proportional to 435,745.40, 653,132.10 and 169,417.40 is: 253,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,745.40 : 653,132.10 = 169,417.40 : x
  2. Step 2: Convert to fraction form
    435,745.40/653,132.10 = 169,417.40/x
  3. Step 3: Cross multiply
    435,745.40x = 653,132.10 × 169,417.40
  4. Step 4: Simplify right side
    435,745.40x = 110,651,942,238.54
  5. Step 5: Solve for x
    x = 110,651,942,238.54/435,745.40
  6. Step 6: Final answer
    x = 253,937.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.