Home / 257,933.32-355,980.78-144,756.06

Finding the Fourth Proportional to 257,933.32, 355,980.78 and 144,756.06

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Solution

The fourth proportional to 257,933.32, 355,980.78 and 144,756.06 is: 199,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,933.32 : 355,980.78 = 144,756.06 : x
  2. Step 2: Convert to fraction form
    257,933.32/355,980.78 = 144,756.06/x
  3. Step 3: Cross multiply
    257,933.32x = 355,980.78 × 144,756.06
  4. Step 4: Simplify right side
    257,933.32x = 51,530,375,148.53
  5. Step 5: Solve for x
    x = 51,530,375,148.53/257,933.32
  6. Step 6: Final answer
    x = 199,781.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.