Home / 315,965.86-435,926.43-179,903.58

Finding the Fourth Proportional to 315,965.86, 435,926.43 and 179,903.58

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Solution

The fourth proportional to 315,965.86, 435,926.43 and 179,903.58 is: 248,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,965.86 : 435,926.43 = 179,903.58 : x
  2. Step 2: Convert to fraction form
    315,965.86/435,926.43 = 179,903.58/x
  3. Step 3: Cross multiply
    315,965.86x = 435,926.43 × 179,903.58
  4. Step 4: Simplify right side
    315,965.86x = 78,424,726,696.96
  5. Step 5: Solve for x
    x = 78,424,726,696.96/315,965.86
  6. Step 6: Final answer
    x = 248,206.33

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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.