Home / 369,748.44-510,132.96-206,378.28

Finding the Fourth Proportional to 369,748.44, 510,132.96 and 206,378.28

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Solution

The fourth proportional to 369,748.44, 510,132.96 and 206,378.28 is: 284,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,748.44 : 510,132.96 = 206,378.28 : x
  2. Step 2: Convert to fraction form
    369,748.44/510,132.96 = 206,378.28/x
  3. Step 3: Cross multiply
    369,748.44x = 510,132.96 × 206,378.28
  4. Step 4: Simplify right side
    369,748.44x = 105,280,362,856.11
  5. Step 5: Solve for x
    x = 105,280,362,856.11/369,748.44
  6. Step 6: Final answer
    x = 284,735.11

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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.