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Finding the Fourth Proportional to 474,720.15, 711,824.81 and 190,267.95

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Solution

The fourth proportional to 474,720.15, 711,824.81 and 190,267.95 is: 285,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,720.15 : 711,824.81 = 190,267.95 : x
  2. Step 2: Convert to fraction form
    474,720.15/711,824.81 = 190,267.95/x
  3. Step 3: Cross multiply
    474,720.15x = 711,824.81 × 190,267.95
  4. Step 4: Simplify right side
    474,720.15x = 135,437,446,406.50
  5. Step 5: Solve for x
    x = 135,437,446,406.50/474,720.15
  6. Step 6: Final answer
    x = 285,299.55

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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.