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Finding the Fourth Proportional to 308,036.40, 461,363.40 and 252,740.40

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Solution

The fourth proportional to 308,036.40, 461,363.40 and 252,740.40 is: 378,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,036.40 : 461,363.40 = 252,740.40 : x
  2. Step 2: Convert to fraction form
    308,036.40/461,363.40 = 252,740.40/x
  3. Step 3: Cross multiply
    308,036.40x = 461,363.40 × 252,740.40
  4. Step 4: Simplify right side
    308,036.40x = 116,605,170,261.36
  5. Step 5: Solve for x
    x = 116,605,170,261.36/308,036.40
  6. Step 6: Final answer
    x = 378,543.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.