Home / 211,044.96-291,248.64-115,560.72

Finding the Fourth Proportional to 211,044.96, 291,248.64 and 115,560.72

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Solution

The fourth proportional to 211,044.96, 291,248.64 and 115,560.72 is: 159,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,044.96 : 291,248.64 = 115,560.72 : x
  2. Step 2: Convert to fraction form
    211,044.96/291,248.64 = 115,560.72/x
  3. Step 3: Cross multiply
    211,044.96x = 291,248.64 × 115,560.72
  4. Step 4: Simplify right side
    211,044.96x = 33,656,902,537.42
  5. Step 5: Solve for x
    x = 33,656,902,537.42/211,044.96
  6. Step 6: Final answer
    x = 159,477.40

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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.