Home / 340,254.42-469,311.93-223,930.83

Finding the Fourth Proportional to 340,254.42, 469,311.93 and 223,930.83

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Solution

The fourth proportional to 340,254.42, 469,311.93 and 223,930.83 is: 308,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,254.42 : 469,311.93 = 223,930.83 : x
  2. Step 2: Convert to fraction form
    340,254.42/469,311.93 = 223,930.83/x
  3. Step 3: Cross multiply
    340,254.42x = 469,311.93 × 223,930.83
  4. Step 4: Simplify right side
    340,254.42x = 105,093,410,013.80
  5. Step 5: Solve for x
    x = 105,093,410,013.80/340,254.42
  6. Step 6: Final answer
    x = 308,867.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.