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Finding the Fourth Proportional to 295,244.20, 442,866.30 and 162,533.80

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Solution

The fourth proportional to 295,244.20, 442,866.30 and 162,533.80 is: 243,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,244.20 : 442,866.30 = 162,533.80 : x
  2. Step 2: Convert to fraction form
    295,244.20/442,866.30 = 162,533.80/x
  3. Step 3: Cross multiply
    295,244.20x = 442,866.30 × 162,533.80
  4. Step 4: Simplify right side
    295,244.20x = 71,980,742,630.94
  5. Step 5: Solve for x
    x = 71,980,742,630.94/295,244.20
  6. Step 6: Final answer
    x = 243,800.70

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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.