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Finding the Fourth Proportional to 251,300.27, 376,409.09 and 117,980.75

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Solution

The fourth proportional to 251,300.27, 376,409.09 and 117,980.75 is: 176,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,300.27 : 376,409.09 = 117,980.75 : x
  2. Step 2: Convert to fraction form
    251,300.27/376,409.09 = 117,980.75/x
  3. Step 3: Cross multiply
    251,300.27x = 376,409.09 × 117,980.75
  4. Step 4: Simplify right side
    251,300.27x = 44,409,024,273.07
  5. Step 5: Solve for x
    x = 44,409,024,273.07/251,300.27
  6. Step 6: Final answer
    x = 176,716.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.