Home / 217,327.50-299,913.03-126,746.28

Finding the Fourth Proportional to 217,327.50, 299,913.03 and 126,746.28

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Solution

The fourth proportional to 217,327.50, 299,913.03 and 126,746.28 is: 174,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,327.50 : 299,913.03 = 126,746.28 : x
  2. Step 2: Convert to fraction form
    217,327.50/299,913.03 = 126,746.28/x
  3. Step 3: Cross multiply
    217,327.50x = 299,913.03 × 126,746.28
  4. Step 4: Simplify right side
    217,327.50x = 38,012,860,876.03
  5. Step 5: Solve for x
    x = 38,012,860,876.03/217,327.50
  6. Step 6: Final answer
    x = 174,910.50

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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.