Home / 228,245.63-314,988.30-126,269.37

Finding the Fourth Proportional to 228,245.63, 314,988.30 and 126,269.37

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Solution

The fourth proportional to 228,245.63, 314,988.30 and 126,269.37 is: 174,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,245.63 : 314,988.30 = 126,269.37 : x
  2. Step 2: Convert to fraction form
    228,245.63/314,988.30 = 126,269.37/x
  3. Step 3: Cross multiply
    228,245.63x = 314,988.30 × 126,269.37
  4. Step 4: Simplify right side
    228,245.63x = 39,773,374,198.37
  5. Step 5: Solve for x
    x = 39,773,374,198.37/228,245.63
  6. Step 6: Final answer
    x = 174,256.89

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1.5x scale

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.