Home / 211,402.28-291,694.08-125,345.36

Finding the Fourth Proportional to 211,402.28, 291,694.08 and 125,345.36

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Solution

The fourth proportional to 211,402.28, 291,694.08 and 125,345.36 is: 172,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,402.28 : 291,694.08 = 125,345.36 : x
  2. Step 2: Convert to fraction form
    211,402.28/291,694.08 = 125,345.36/x
  3. Step 3: Cross multiply
    211,402.28x = 291,694.08 × 125,345.36
  4. Step 4: Simplify right side
    211,402.28x = 36,562,499,467.47
  5. Step 5: Solve for x
    x = 36,562,499,467.47/211,402.28
  6. Step 6: Final answer
    x = 172,952.25

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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.