Home / 211,228.25-316,434.08-117,449.69

Finding the Fourth Proportional to 211,228.25, 316,434.08 and 117,449.69

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Solution

The fourth proportional to 211,228.25, 316,434.08 and 117,449.69 is: 175,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,228.25 : 316,434.08 = 117,449.69 : x
  2. Step 2: Convert to fraction form
    211,228.25/316,434.08 = 117,449.69/x
  3. Step 3: Cross multiply
    211,228.25x = 316,434.08 × 117,449.69
  4. Step 4: Simplify right side
    211,228.25x = 37,165,082,432.02
  5. Step 5: Solve for x
    x = 37,165,082,432.02/211,228.25
  6. Step 6: Final answer
    x = 175,947.50

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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.