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Finding the Fourth Proportional to 294,885.60, 442,285.20 and 84,501.60

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Solution

The fourth proportional to 294,885.60, 442,285.20 and 84,501.60 is: 126,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,885.60 : 442,285.20 = 84,501.60 : x
  2. Step 2: Convert to fraction form
    294,885.60/442,285.20 = 84,501.60/x
  3. Step 3: Cross multiply
    294,885.60x = 442,285.20 × 84,501.60
  4. Step 4: Simplify right side
    294,885.60x = 37,373,807,056.32
  5. Step 5: Solve for x
    x = 37,373,807,056.32/294,885.60
  6. Step 6: Final answer
    x = 126,740.02

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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.