Home / 231,629.40-346,860.90-152,314.20

Finding the Fourth Proportional to 231,629.40, 346,860.90 and 152,314.20

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Solution

The fourth proportional to 231,629.40, 346,860.90 and 152,314.20 is: 228,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.40 : 346,860.90 = 152,314.20 : x
  2. Step 2: Convert to fraction form
    231,629.40/346,860.90 = 152,314.20/x
  3. Step 3: Cross multiply
    231,629.40x = 346,860.90 × 152,314.20
  4. Step 4: Simplify right side
    231,629.40x = 52,831,840,494.78
  5. Step 5: Solve for x
    x = 52,831,840,494.78/231,629.40
  6. Step 6: Final answer
    x = 228,087.80

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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.