Home / 259,747.80-389,621.70-148,848.60

Finding the Fourth Proportional to 259,747.80, 389,621.70 and 148,848.60

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Solution

The fourth proportional to 259,747.80, 389,621.70 and 148,848.60 is: 223,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,747.80 : 389,621.70 = 148,848.60 : x
  2. Step 2: Convert to fraction form
    259,747.80/389,621.70 = 148,848.60/x
  3. Step 3: Cross multiply
    259,747.80x = 389,621.70 × 148,848.60
  4. Step 4: Simplify right side
    259,747.80x = 57,994,644,574.62
  5. Step 5: Solve for x
    x = 57,994,644,574.62/259,747.80
  6. Step 6: Final answer
    x = 223,272.90

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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.