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Finding the Fourth Proportional to 350,523.40, 525,785.10 and 163,899.40

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Solution

The fourth proportional to 350,523.40, 525,785.10 and 163,899.40 is: 245,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,523.40 : 525,785.10 = 163,899.40 : x
  2. Step 2: Convert to fraction form
    350,523.40/525,785.10 = 163,899.40/x
  3. Step 3: Cross multiply
    350,523.40x = 525,785.10 × 163,899.40
  4. Step 4: Simplify right side
    350,523.40x = 86,175,862,418.94
  5. Step 5: Solve for x
    x = 86,175,862,418.94/350,523.40
  6. Step 6: Final answer
    x = 245,849.10

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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.