Home / 445,860.96-668,650.93-146,271.73

Finding the Fourth Proportional to 445,860.96, 668,650.93 and 146,271.73

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Solution

The fourth proportional to 445,860.96, 668,650.93 and 146,271.73 is: 219,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,860.96 : 668,650.93 = 146,271.73 : x
  2. Step 2: Convert to fraction form
    445,860.96/668,650.93 = 146,271.73/x
  3. Step 3: Cross multiply
    445,860.96x = 668,650.93 × 146,271.73
  4. Step 4: Simplify right side
    445,860.96x = 97,804,728,297.21
  5. Step 5: Solve for x
    x = 97,804,728,297.21/445,860.96
  6. Step 6: Final answer
    x = 219,361.50

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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.