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Finding the Fourth Proportional to 294,861.66, 442,292.40 and 95,211.42

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Solution

The fourth proportional to 294,861.66, 442,292.40 and 95,211.42 is: 142,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,861.66 : 442,292.40 = 95,211.42 : x
  2. Step 2: Convert to fraction form
    294,861.66/442,292.40 = 95,211.42/x
  3. Step 3: Cross multiply
    294,861.66x = 442,292.40 × 95,211.42
  4. Step 4: Simplify right side
    294,861.66x = 42,111,287,459.21
  5. Step 5: Solve for x
    x = 42,111,287,459.21/294,861.66
  6. Step 6: Final answer
    x = 142,817.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.