Home / 223,415.10-308,384.55-143,059.05

Finding the Fourth Proportional to 223,415.10, 308,384.55 and 143,059.05

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Solution

The fourth proportional to 223,415.10, 308,384.55 and 143,059.05 is: 197,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415.10 : 308,384.55 = 143,059.05 : x
  2. Step 2: Convert to fraction form
    223,415.10/308,384.55 = 143,059.05/x
  3. Step 3: Cross multiply
    223,415.10x = 308,384.55 × 143,059.05
  4. Step 4: Simplify right side
    223,415.10x = 44,117,200,757.68
  5. Step 5: Solve for x
    x = 44,117,200,757.68/223,415.10
  6. Step 6: Final answer
    x = 197,467.41

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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.