Home / 318,106.95-438,976.49-174,865.97

Finding the Fourth Proportional to 318,106.95, 438,976.49 and 174,865.97

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Solution

The fourth proportional to 318,106.95, 438,976.49 and 174,865.97 is: 241,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,106.95 : 438,976.49 = 174,865.97 : x
  2. Step 2: Convert to fraction form
    318,106.95/438,976.49 = 174,865.97/x
  3. Step 3: Cross multiply
    318,106.95x = 438,976.49 × 174,865.97
  4. Step 4: Simplify right side
    318,106.95x = 76,762,046,661.83
  5. Step 5: Solve for x
    x = 76,762,046,661.83/318,106.95
  6. Step 6: Final answer
    x = 241,308.93

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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.