Home / 456,858.15-685,258.03-141,288.63

Finding the Fourth Proportional to 456,858.15, 685,258.03 and 141,288.63

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Solution

The fourth proportional to 456,858.15, 685,258.03 and 141,288.63 is: 211,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,858.15 : 685,258.03 = 141,288.63 : x
  2. Step 2: Convert to fraction form
    456,858.15/685,258.03 = 141,288.63/x
  3. Step 3: Cross multiply
    456,858.15x = 685,258.03 × 141,288.63
  4. Step 4: Simplify right side
    456,858.15x = 96,819,168,255.20
  5. Step 5: Solve for x
    x = 96,819,168,255.20/456,858.15
  6. Step 6: Final answer
    x = 211,923.92

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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.