Home / 307,948.60-461,922.90-223,311.70

Finding the Fourth Proportional to 307,948.60, 461,922.90 and 223,311.70

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Solution

The fourth proportional to 307,948.60, 461,922.90 and 223,311.70 is: 334,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,948.60 : 461,922.90 = 223,311.70 : x
  2. Step 2: Convert to fraction form
    307,948.60/461,922.90 = 223,311.70/x
  3. Step 3: Cross multiply
    307,948.60x = 461,922.90 × 223,311.70
  4. Step 4: Simplify right side
    307,948.60x = 103,152,788,067.93
  5. Step 5: Solve for x
    x = 103,152,788,067.93/307,948.60
  6. Step 6: Final answer
    x = 334,967.55

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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.