Home / 211,494.07-291,931.60-189,073.90

Finding the Fourth Proportional to 211,494.07, 291,931.60 and 189,073.90

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Solution

The fourth proportional to 211,494.07, 291,931.60 and 189,073.90 is: 260,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,494.07 : 291,931.60 = 189,073.90 : x
  2. Step 2: Convert to fraction form
    211,494.07/291,931.60 = 189,073.90/x
  3. Step 3: Cross multiply
    211,494.07x = 291,931.60 × 189,073.90
  4. Step 4: Simplify right side
    211,494.07x = 55,196,646,145.24
  5. Step 5: Solve for x
    x = 55,196,646,145.24/211,494.07
  6. Step 6: Final answer
    x = 260,984.37

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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.