Home / 228,212.30-314,908.74-126,221.55

Finding the Fourth Proportional to 228,212.30, 314,908.74 and 126,221.55

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Solution

The fourth proportional to 228,212.30, 314,908.74 and 126,221.55 is: 174,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,212.30 : 314,908.74 = 126,221.55 : x
  2. Step 2: Convert to fraction form
    228,212.30/314,908.74 = 126,221.55/x
  3. Step 3: Cross multiply
    228,212.30x = 314,908.74 × 126,221.55
  4. Step 4: Simplify right side
    228,212.30x = 39,748,269,271.35
  5. Step 5: Solve for x
    x = 39,748,269,271.35/228,212.30
  6. Step 6: Final answer
    x = 174,172.34

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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.