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Finding the Fourth Proportional to 362,403.60, 543,605.40 and 306,416.40

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Solution

The fourth proportional to 362,403.60, 543,605.40 and 306,416.40 is: 459,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,403.60 : 543,605.40 = 306,416.40 : x
  2. Step 2: Convert to fraction form
    362,403.60/543,605.40 = 306,416.40/x
  3. Step 3: Cross multiply
    362,403.60x = 543,605.40 × 306,416.40
  4. Step 4: Simplify right side
    362,403.60x = 166,569,609,688.56
  5. Step 5: Solve for x
    x = 166,569,609,688.56/362,403.60
  6. Step 6: Final answer
    x = 459,624.60

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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.