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Finding the Fourth Proportional to 296,989.60, 445,287.60 and 163,933.60

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Solution

The fourth proportional to 296,989.60, 445,287.60 and 163,933.60 is: 245,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,989.60 : 445,287.60 = 163,933.60 : x
  2. Step 2: Convert to fraction form
    296,989.60/445,287.60 = 163,933.60/x
  3. Step 3: Cross multiply
    296,989.60x = 445,287.60 × 163,933.60
  4. Step 4: Simplify right side
    296,989.60x = 72,997,599,303.36
  5. Step 5: Solve for x
    x = 72,997,599,303.36/296,989.60
  6. Step 6: Final answer
    x = 245,791.77

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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.