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Finding the Fourth Proportional to 285,104.40, 427,751.60 and 95,583.50

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Solution

The fourth proportional to 285,104.40, 427,751.60 and 95,583.50 is: 143,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,104.40 : 427,751.60 = 95,583.50 : x
  2. Step 2: Convert to fraction form
    285,104.40/427,751.60 = 95,583.50/x
  3. Step 3: Cross multiply
    285,104.40x = 427,751.60 × 95,583.50
  4. Step 4: Simplify right side
    285,104.40x = 40,885,995,058.60
  5. Step 5: Solve for x
    x = 40,885,995,058.60/285,104.40
  6. Step 6: Final answer
    x = 143,407.10

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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.