Home / 338,579.88-467,147.70-211,275.96

Finding the Fourth Proportional to 338,579.88, 467,147.70 and 211,275.96

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Solution

The fourth proportional to 338,579.88, 467,147.70 and 211,275.96 is: 291,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,579.88 : 467,147.70 = 211,275.96 : x
  2. Step 2: Convert to fraction form
    338,579.88/467,147.70 = 211,275.96/x
  3. Step 3: Cross multiply
    338,579.88x = 467,147.70 × 211,275.96
  4. Step 4: Simplify right side
    338,579.88x = 98,697,078,779.29
  5. Step 5: Solve for x
    x = 98,697,078,779.29/338,579.88
  6. Step 6: Final answer
    x = 291,503.08

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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.