Home / 211,291.74-291,581.37-115,802.46

Finding the Fourth Proportional to 211,291.74, 291,581.37 and 115,802.46

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Solution

The fourth proportional to 211,291.74, 291,581.37 and 115,802.46 is: 159,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,291.74 : 291,581.37 = 115,802.46 : x
  2. Step 2: Convert to fraction form
    211,291.74/291,581.37 = 115,802.46/x
  3. Step 3: Cross multiply
    211,291.74x = 291,581.37 × 115,802.46
  4. Step 4: Simplify right side
    211,291.74x = 33,765,839,936.17
  5. Step 5: Solve for x
    x = 33,765,839,936.17/211,291.74
  6. Step 6: Final answer
    x = 159,806.72

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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.