Home / 355,365.36-490,405.05-194,222.34

Finding the Fourth Proportional to 355,365.36, 490,405.05 and 194,222.34

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Solution

The fourth proportional to 355,365.36, 490,405.05 and 194,222.34 is: 268,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,365.36 : 490,405.05 = 194,222.34 : x
  2. Step 2: Convert to fraction form
    355,365.36/490,405.05 = 194,222.34/x
  3. Step 3: Cross multiply
    355,365.36x = 490,405.05 × 194,222.34
  4. Step 4: Simplify right side
    355,365.36x = 95,247,616,358.82
  5. Step 5: Solve for x
    x = 95,247,616,358.82/355,365.36
  6. Step 6: Final answer
    x = 268,027.30

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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.