Home / 296,913.60-445,370.40-75,297.60

Finding the Fourth Proportional to 296,913.60, 445,370.40 and 75,297.60

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Solution

The fourth proportional to 296,913.60, 445,370.40 and 75,297.60 is: 112,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,913.60 : 445,370.40 = 75,297.60 : x
  2. Step 2: Convert to fraction form
    296,913.60/445,370.40 = 75,297.60/x
  3. Step 3: Cross multiply
    296,913.60x = 445,370.40 × 75,297.60
  4. Step 4: Simplify right side
    296,913.60x = 33,535,322,231.04
  5. Step 5: Solve for x
    x = 33,535,322,231.04/296,913.60
  6. Step 6: Final answer
    x = 112,946.40

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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.