Home / 438,195.37-657,293.05-105,771.37

Finding the Fourth Proportional to 438,195.37, 657,293.05 and 105,771.37

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Solution

The fourth proportional to 438,195.37, 657,293.05 and 105,771.37 is: 158,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,195.37 : 657,293.05 = 105,771.37 : x
  2. Step 2: Convert to fraction form
    438,195.37/657,293.05 = 105,771.37/x
  3. Step 3: Cross multiply
    438,195.37x = 657,293.05 × 105,771.37
  4. Step 4: Simplify right side
    438,195.37x = 69,522,783,103.51
  5. Step 5: Solve for x
    x = 69,522,783,103.51/438,195.37
  6. Step 6: Final answer
    x = 158,657.05

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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.