Home / 211,085.24-291,298-114,290.06

Finding the Fourth Proportional to 211,085.24, 291,298 and 114,290.06

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Solution

The fourth proportional to 211,085.24, 291,298 and 114,290.06 is: 157,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,085.24 : 291,298 = 114,290.06 : x
  2. Step 2: Convert to fraction form
    211,085.24/291,298 = 114,290.06/x
  3. Step 3: Cross multiply
    211,085.24x = 291,298 × 114,290.06
  4. Step 4: Simplify right side
    211,085.24x = 33,292,465,897.88
  5. Step 5: Solve for x
    x = 33,292,465,897.88/211,085.24
  6. Step 6: Final answer
    x = 157,720.48

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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.