Home / 213,628.05-320,460.37-55,856.25

Finding the Fourth Proportional to 213,628.05, 320,460.37 and 55,856.25

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Solution

The fourth proportional to 213,628.05, 320,460.37 and 55,856.25 is: 83,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,628.05 : 320,460.37 = 55,856.25 : x
  2. Step 2: Convert to fraction form
    213,628.05/320,460.37 = 55,856.25/x
  3. Step 3: Cross multiply
    213,628.05x = 320,460.37 × 55,856.25
  4. Step 4: Simplify right side
    213,628.05x = 17,899,714,402.17
  5. Step 5: Solve for x
    x = 17,899,714,402.17/213,628.05
  6. Step 6: Final answer
    x = 83,789.16

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1.5x scale

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.