Home / 211,231.13-291,499.02-126,368.24

Finding the Fourth Proportional to 211,231.13, 291,499.02 and 126,368.24

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Solution

The fourth proportional to 211,231.13, 291,499.02 and 126,368.24 is: 174,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,231.13 : 291,499.02 = 126,368.24 : x
  2. Step 2: Convert to fraction form
    211,231.13/291,499.02 = 126,368.24/x
  3. Step 3: Cross multiply
    211,231.13x = 291,499.02 × 126,368.24
  4. Step 4: Simplify right side
    211,231.13x = 36,836,216,661.63
  5. Step 5: Solve for x
    x = 36,836,216,661.63/211,231.13
  6. Step 6: Final answer
    x = 174,388.20

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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.