Home / 211,032.73-291,225.03-115,539.40

Finding the Fourth Proportional to 211,032.73, 291,225.03 and 115,539.40

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Solution

The fourth proportional to 211,032.73, 291,225.03 and 115,539.40 is: 159,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,032.73 : 291,225.03 = 115,539.40 : x
  2. Step 2: Convert to fraction form
    211,032.73/291,225.03 = 115,539.40/x
  3. Step 3: Cross multiply
    211,032.73x = 291,225.03 × 115,539.40
  4. Step 4: Simplify right side
    211,032.73x = 33,647,965,231.18
  5. Step 5: Solve for x
    x = 33,647,965,231.18/211,032.73
  6. Step 6: Final answer
    x = 159,444.30

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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.