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Finding the Fourth Proportional to 303,656.70, 455,485.05 and 93,305.10

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Solution

The fourth proportional to 303,656.70, 455,485.05 and 93,305.10 is: 139,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,656.70 : 455,485.05 = 93,305.10 : x
  2. Step 2: Convert to fraction form
    303,656.70/455,485.05 = 93,305.10/x
  3. Step 3: Cross multiply
    303,656.70x = 455,485.05 × 93,305.10
  4. Step 4: Simplify right side
    303,656.70x = 42,499,078,138.76
  5. Step 5: Solve for x
    x = 42,499,078,138.76/303,656.70
  6. Step 6: Final answer
    x = 139,957.65

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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.