Home / 340,317.44-469,630.08-189,411.20

Finding the Fourth Proportional to 340,317.44, 469,630.08 and 189,411.20

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Solution

The fourth proportional to 340,317.44, 469,630.08 and 189,411.20 is: 261,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,317.44 : 469,630.08 = 189,411.20 : x
  2. Step 2: Convert to fraction form
    340,317.44/469,630.08 = 189,411.20/x
  3. Step 3: Cross multiply
    340,317.44x = 469,630.08 × 189,411.20
  4. Step 4: Simplify right side
    340,317.44x = 88,953,197,008.90
  5. Step 5: Solve for x
    x = 88,953,197,008.90/340,317.44
  6. Step 6: Final answer
    x = 261,383.01

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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.