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Finding the Fourth Proportional to 179,672.40, 251,074.80 and 179,672.40

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Solution

The fourth proportional to 179,672.40, 251,074.80 and 179,672.40 is: 251,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,672.40 : 251,074.80 = 179,672.40 : x
  2. Step 2: Convert to fraction form
    179,672.40/251,074.80 = 179,672.40/x
  3. Step 3: Cross multiply
    179,672.40x = 251,074.80 × 179,672.40
  4. Step 4: Simplify right side
    179,672.40x = 45,111,211,895.52
  5. Step 5: Solve for x
    x = 45,111,211,895.52/179,672.40
  6. Step 6: Final answer
    x = 251,074.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.