Home / 211,320.46-291,652.11-130,773.93

Finding the Fourth Proportional to 211,320.46, 291,652.11 and 130,773.93

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Solution

The fourth proportional to 211,320.46, 291,652.11 and 130,773.93 is: 180,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320.46 : 291,652.11 = 130,773.93 : x
  2. Step 2: Convert to fraction form
    211,320.46/291,652.11 = 130,773.93/x
  3. Step 3: Cross multiply
    211,320.46x = 291,652.11 × 130,773.93
  4. Step 4: Simplify right side
    211,320.46x = 38,140,491,523.80
  5. Step 5: Solve for x
    x = 38,140,491,523.80/211,320.46
  6. Step 6: Final answer
    x = 180,486.51

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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.