Home / 320,101.15-441,945.53-205,429.23

Finding the Fourth Proportional to 320,101.15, 441,945.53 and 205,429.23

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Solution

The fourth proportional to 320,101.15, 441,945.53 and 205,429.23 is: 283,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,101.15 : 441,945.53 = 205,429.23 : x
  2. Step 2: Convert to fraction form
    320,101.15/441,945.53 = 205,429.23/x
  3. Step 3: Cross multiply
    320,101.15x = 441,945.53 × 205,429.23
  4. Step 4: Simplify right side
    320,101.15x = 90,788,529,929.84
  5. Step 5: Solve for x
    x = 90,788,529,929.84/320,101.15
  6. Step 6: Final answer
    x = 283,624.50

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1.5x scale

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.