Home / 211,348.74-291,659.94-115,859.46

Finding the Fourth Proportional to 211,348.74, 291,659.94 and 115,859.46

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Solution

The fourth proportional to 211,348.74, 291,659.94 and 115,859.46 is: 159,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348.74 : 291,659.94 = 115,859.46 : x
  2. Step 2: Convert to fraction form
    211,348.74/291,659.94 = 115,859.46/x
  3. Step 3: Cross multiply
    211,348.74x = 291,659.94 × 115,859.46
  4. Step 4: Simplify right side
    211,348.74x = 33,791,563,152.03
  5. Step 5: Solve for x
    x = 33,791,563,152.03/211,348.74
  6. Step 6: Final answer
    x = 159,885.33

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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.