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Finding the Fourth Proportional to 243,455.70, 364,527.45 and 190,967.70

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Solution

The fourth proportional to 243,455.70, 364,527.45 and 190,967.70 is: 285,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,455.70 : 364,527.45 = 190,967.70 : x
  2. Step 2: Convert to fraction form
    243,455.70/364,527.45 = 190,967.70/x
  3. Step 3: Cross multiply
    243,455.70x = 364,527.45 × 190,967.70
  4. Step 4: Simplify right side
    243,455.70x = 69,612,968,713.37
  5. Step 5: Solve for x
    x = 69,612,968,713.37/243,455.70
  6. Step 6: Final answer
    x = 285,936.90

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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.