Home / 250,619.28-345,855.06-137,442.84

Finding the Fourth Proportional to 250,619.28, 345,855.06 and 137,442.84

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Solution

The fourth proportional to 250,619.28, 345,855.06 and 137,442.84 is: 189,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,619.28 : 345,855.06 = 137,442.84 : x
  2. Step 2: Convert to fraction form
    250,619.28/345,855.06 = 137,442.84/x
  3. Step 3: Cross multiply
    250,619.28x = 345,855.06 × 137,442.84
  4. Step 4: Simplify right side
    250,619.28x = 47,535,301,674.77
  5. Step 5: Solve for x
    x = 47,535,301,674.77/250,619.28
  6. Step 6: Final answer
    x = 189,671.37

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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.