Home / 438,256.26-657,333.36-122,738.58

Finding the Fourth Proportional to 438,256.26, 657,333.36 and 122,738.58

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Solution

The fourth proportional to 438,256.26, 657,333.36 and 122,738.58 is: 184,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,256.26 : 657,333.36 = 122,738.58 : x
  2. Step 2: Convert to fraction form
    438,256.26/657,333.36 = 122,738.58/x
  3. Step 3: Cross multiply
    438,256.26x = 657,333.36 × 122,738.58
  4. Step 4: Simplify right side
    438,256.26x = 80,680,163,193.03
  5. Step 5: Solve for x
    x = 80,680,163,193.03/438,256.26
  6. Step 6: Final answer
    x = 184,093.58

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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.