Home / 211,019.82-316,528.36-53,248.42

Finding the Fourth Proportional to 211,019.82, 316,528.36 and 53,248.42

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Solution

The fourth proportional to 211,019.82, 316,528.36 and 53,248.42 is: 79,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,019.82 : 316,528.36 = 53,248.42 : x
  2. Step 2: Convert to fraction form
    211,019.82/316,528.36 = 53,248.42/x
  3. Step 3: Cross multiply
    211,019.82x = 316,528.36 × 53,248.42
  4. Step 4: Simplify right side
    211,019.82x = 16,854,635,317.73
  5. Step 5: Solve for x
    x = 16,854,635,317.73/211,019.82
  6. Step 6: Final answer
    x = 79,872.29

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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.