Home / 272,782.08-376,427.52-197,199.36

Finding the Fourth Proportional to 272,782.08, 376,427.52 and 197,199.36

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Solution

The fourth proportional to 272,782.08, 376,427.52 and 197,199.36 is: 272,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,782.08 : 376,427.52 = 197,199.36 : x
  2. Step 2: Convert to fraction form
    272,782.08/376,427.52 = 197,199.36/x
  3. Step 3: Cross multiply
    272,782.08x = 376,427.52 × 197,199.36
  4. Step 4: Simplify right side
    272,782.08x = 74,231,266,030.39
  5. Step 5: Solve for x
    x = 74,231,266,030.39/272,782.08
  6. Step 6: Final answer
    x = 272,126.62

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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.