Home / 211,439.96-317,430.56-181,644.82

Finding the Fourth Proportional to 211,439.96, 317,430.56 and 181,644.82

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Solution

The fourth proportional to 211,439.96, 317,430.56 and 181,644.82 is: 272,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,439.96 : 317,430.56 = 181,644.82 : x
  2. Step 2: Convert to fraction form
    211,439.96/317,430.56 = 181,644.82/x
  3. Step 3: Cross multiply
    211,439.96x = 317,430.56 × 181,644.82
  4. Step 4: Simplify right side
    211,439.96x = 57,659,615,346.55
  5. Step 5: Solve for x
    x = 57,659,615,346.55/211,439.96
  6. Step 6: Final answer
    x = 272,699.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.