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Finding the Fourth Proportional to 250,803.58, 346,107.99 and 137,628.22

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Solution

The fourth proportional to 250,803.58, 346,107.99 and 137,628.22 is: 189,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,803.58 : 346,107.99 = 137,628.22 : x
  2. Step 2: Convert to fraction form
    250,803.58/346,107.99 = 137,628.22/x
  3. Step 3: Cross multiply
    250,803.58x = 346,107.99 × 137,628.22
  4. Step 4: Simplify right side
    250,803.58x = 47,634,226,591.48
  5. Step 5: Solve for x
    x = 47,634,226,591.48/250,803.58
  6. Step 6: Final answer
    x = 189,926.42

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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.