Home / 222,324.72-306,985.02-205,322.74

Finding the Fourth Proportional to 222,324.72, 306,985.02 and 205,322.74

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Solution

The fourth proportional to 222,324.72, 306,985.02 and 205,322.74 is: 283,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,324.72 : 306,985.02 = 205,322.74 : x
  2. Step 2: Convert to fraction form
    222,324.72/306,985.02 = 205,322.74/x
  3. Step 3: Cross multiply
    222,324.72x = 306,985.02 × 205,322.74
  4. Step 4: Simplify right side
    222,324.72x = 63,031,005,445.35
  5. Step 5: Solve for x
    x = 63,031,005,445.35/222,324.72
  6. Step 6: Final answer
    x = 283,508.76

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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.