Home / 251,648.25-347,277.02-138,473.43

Finding the Fourth Proportional to 251,648.25, 347,277.02 and 138,473.43

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Solution

The fourth proportional to 251,648.25, 347,277.02 and 138,473.43 is: 191,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,648.25 : 347,277.02 = 138,473.43 : x
  2. Step 2: Convert to fraction form
    251,648.25/347,277.02 = 138,473.43/x
  3. Step 3: Cross multiply
    251,648.25x = 347,277.02 × 138,473.43
  4. Step 4: Simplify right side
    251,648.25x = 48,088,639,427.21
  5. Step 5: Solve for x
    x = 48,088,639,427.21/251,648.25
  6. Step 6: Final answer
    x = 191,094.67

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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.