Home / 250,439.88-345,642.46-154,977.32

Finding the Fourth Proportional to 250,439.88, 345,642.46 and 154,977.32

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Solution

The fourth proportional to 250,439.88, 345,642.46 and 154,977.32 is: 213,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,439.88 : 345,642.46 = 154,977.32 : x
  2. Step 2: Convert to fraction form
    250,439.88/345,642.46 = 154,977.32/x
  3. Step 3: Cross multiply
    250,439.88x = 345,642.46 × 154,977.32
  4. Step 4: Simplify right side
    250,439.88x = 53,566,742,129.01
  5. Step 5: Solve for x
    x = 53,566,742,129.01/250,439.88
  6. Step 6: Final answer
    x = 213,890.62

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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.