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Finding the Fourth Proportional to 170,967.40, 256,451.10 and 162,802.60

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Solution

The fourth proportional to 170,967.40, 256,451.10 and 162,802.60 is: 244,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,967.40 : 256,451.10 = 162,802.60 : x
  2. Step 2: Convert to fraction form
    170,967.40/256,451.10 = 162,802.60/x
  3. Step 3: Cross multiply
    170,967.40x = 256,451.10 × 162,802.60
  4. Step 4: Simplify right side
    170,967.40x = 41,750,905,852.86
  5. Step 5: Solve for x
    x = 41,750,905,852.86/170,967.40
  6. Step 6: Final answer
    x = 244,203.90

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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.