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Finding the Fourth Proportional to 242,028.40, 362,351.40 and 235,116.40

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Solution

The fourth proportional to 242,028.40, 362,351.40 and 235,116.40 is: 352,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,028.40 : 362,351.40 = 235,116.40 : x
  2. Step 2: Convert to fraction form
    242,028.40/362,351.40 = 235,116.40/x
  3. Step 3: Cross multiply
    242,028.40x = 362,351.40 × 235,116.40
  4. Step 4: Simplify right side
    242,028.40x = 85,194,756,702.96
  5. Step 5: Solve for x
    x = 85,194,756,702.96/242,028.40
  6. Step 6: Final answer
    x = 352,003.14

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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.