Home / 211,291.68-291,589.28-115,804.24

Finding the Fourth Proportional to 211,291.68, 291,589.28 and 115,804.24

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Solution

The fourth proportional to 211,291.68, 291,589.28 and 115,804.24 is: 159,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,291.68 : 291,589.28 = 115,804.24 : x
  2. Step 2: Convert to fraction form
    211,291.68/291,589.28 = 115,804.24/x
  3. Step 3: Cross multiply
    211,291.68x = 291,589.28 × 115,804.24
  4. Step 4: Simplify right side
    211,291.68x = 33,767,274,962.55
  5. Step 5: Solve for x
    x = 33,767,274,962.55/211,291.68
  6. Step 6: Final answer
    x = 159,813.56

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1.5x scale

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.