Home / 331,010-496,612.92-190,869.20

Finding the Fourth Proportional to 331,010, 496,612.92 and 190,869.20

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Solution

The fourth proportional to 331,010, 496,612.92 and 190,869.20 is: 286,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010 : 496,612.92 = 190,869.20 : x
  2. Step 2: Convert to fraction form
    331,010/496,612.92 = 190,869.20/x
  3. Step 3: Cross multiply
    331,010x = 496,612.92 × 190,869.20
  4. Step 4: Simplify right side
    331,010x = 94,788,110,750.06
  5. Step 5: Solve for x
    x = 94,788,110,750.06/331,010
  6. Step 6: Final answer
    x = 286,360.26

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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.