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Finding the Fourth Proportional to 363,603.60, 545,405.40 and 114,285.60

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Solution

The fourth proportional to 363,603.60, 545,405.40 and 114,285.60 is: 171,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,603.60 : 545,405.40 = 114,285.60 : x
  2. Step 2: Convert to fraction form
    363,603.60/545,405.40 = 114,285.60/x
  3. Step 3: Cross multiply
    363,603.60x = 545,405.40 × 114,285.60
  4. Step 4: Simplify right side
    363,603.60x = 62,331,983,382.24
  5. Step 5: Solve for x
    x = 62,331,983,382.24/363,603.60
  6. Step 6: Final answer
    x = 171,428.40

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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.