Home / 274,663.08-379,045.85-153,803.30

Finding the Fourth Proportional to 274,663.08, 379,045.85 and 153,803.30

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Solution

The fourth proportional to 274,663.08, 379,045.85 and 153,803.30 is: 212,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,663.08 : 379,045.85 = 153,803.30 : x
  2. Step 2: Convert to fraction form
    274,663.08/379,045.85 = 153,803.30/x
  3. Step 3: Cross multiply
    274,663.08x = 379,045.85 × 153,803.30
  4. Step 4: Simplify right side
    274,663.08x = 58,298,499,917.06
  5. Step 5: Solve for x
    x = 58,298,499,917.06/274,663.08
  6. Step 6: Final answer
    x = 212,254.59

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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.