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Finding the Fourth Proportional to 295,269.20, 442,968.60 and 95,555.60

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Solution

The fourth proportional to 295,269.20, 442,968.60 and 95,555.60 is: 143,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,269.20 : 442,968.60 = 95,555.60 : x
  2. Step 2: Convert to fraction form
    295,269.20/442,968.60 = 95,555.60/x
  3. Step 3: Cross multiply
    295,269.20x = 442,968.60 × 95,555.60
  4. Step 4: Simplify right side
    295,269.20x = 42,328,130,354.16
  5. Step 5: Solve for x
    x = 42,328,130,354.16/295,269.20
  6. Step 6: Final answer
    x = 143,354.37

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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.