Home / 211,490.67-291,926.92-189,070.51

Finding the Fourth Proportional to 211,490.67, 291,926.92 and 189,070.51

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Solution

The fourth proportional to 211,490.67, 291,926.92 and 189,070.51 is: 260,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,490.67 : 291,926.92 = 189,070.51 : x
  2. Step 2: Convert to fraction form
    211,490.67/291,926.92 = 189,070.51/x
  3. Step 3: Cross multiply
    211,490.67x = 291,926.92 × 189,070.51
  4. Step 4: Simplify right side
    211,490.67x = 55,194,771,878.27
  5. Step 5: Solve for x
    x = 55,194,771,878.27/211,490.67
  6. Step 6: Final answer
    x = 260,979.70

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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.