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Finding the Fourth Proportional to 239,997.60, 359,996.40 and 193,341.60

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Solution

The fourth proportional to 239,997.60, 359,996.40 and 193,341.60 is: 290,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,997.60 : 359,996.40 = 193,341.60 : x
  2. Step 2: Convert to fraction form
    239,997.60/359,996.40 = 193,341.60/x
  3. Step 3: Cross multiply
    239,997.60x = 359,996.40 × 193,341.60
  4. Step 4: Simplify right side
    239,997.60x = 69,602,279,970.24
  5. Step 5: Solve for x
    x = 69,602,279,970.24/239,997.60
  6. Step 6: Final answer
    x = 290,012.40

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1.5x scale

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.