Home / 205,945.20-284,004.70-160,606.67

Finding the Fourth Proportional to 205,945.20, 284,004.70 and 160,606.67

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Solution

The fourth proportional to 205,945.20, 284,004.70 and 160,606.67 is: 221,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,945.20 : 284,004.70 = 160,606.67 : x
  2. Step 2: Convert to fraction form
    205,945.20/284,004.70 = 160,606.67/x
  3. Step 3: Cross multiply
    205,945.20x = 284,004.70 × 160,606.67
  4. Step 4: Simplify right side
    205,945.20x = 45,613,047,309.81
  5. Step 5: Solve for x
    x = 45,613,047,309.81/205,945.20
  6. Step 6: Final answer
    x = 221,481.48

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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.