Home / 259,460.20-389,190.30-166,148.20

Finding the Fourth Proportional to 259,460.20, 389,190.30 and 166,148.20

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Solution

The fourth proportional to 259,460.20, 389,190.30 and 166,148.20 is: 249,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,460.20 : 389,190.30 = 166,148.20 : x
  2. Step 2: Convert to fraction form
    259,460.20/389,190.30 = 166,148.20/x
  3. Step 3: Cross multiply
    259,460.20x = 389,190.30 × 166,148.20
  4. Step 4: Simplify right side
    259,460.20x = 64,663,267,802.46
  5. Step 5: Solve for x
    x = 64,663,267,802.46/259,460.20
  6. Step 6: Final answer
    x = 249,222.30

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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.