Home / 290,226.24-435,256.74-112,695.30

Finding the Fourth Proportional to 290,226.24, 435,256.74 and 112,695.30

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Solution

The fourth proportional to 290,226.24, 435,256.74 and 112,695.30 is: 169,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,226.24 : 435,256.74 = 112,695.30 : x
  2. Step 2: Convert to fraction form
    290,226.24/435,256.74 = 112,695.30/x
  3. Step 3: Cross multiply
    290,226.24x = 435,256.74 × 112,695.30
  4. Step 4: Simplify right side
    290,226.24x = 49,051,388,891.32
  5. Step 5: Solve for x
    x = 49,051,388,891.32/290,226.24
  6. Step 6: Final answer
    x = 169,010.87

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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.