Home / 253,362.24-379,916.16-84,824.64

Finding the Fourth Proportional to 253,362.24, 379,916.16 and 84,824.64

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Solution

The fourth proportional to 253,362.24, 379,916.16 and 84,824.64 is: 127,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,362.24 : 379,916.16 = 84,824.64 : x
  2. Step 2: Convert to fraction form
    253,362.24/379,916.16 = 84,824.64/x
  3. Step 3: Cross multiply
    253,362.24x = 379,916.16 × 84,824.64
  4. Step 4: Simplify right side
    253,362.24x = 32,226,251,502.18
  5. Step 5: Solve for x
    x = 32,226,251,502.18/253,362.24
  6. Step 6: Final answer
    x = 127,194.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.