Home / 373,025.22-559,139.38-212,756.05

Finding the Fourth Proportional to 373,025.22, 559,139.38 and 212,756.05

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Solution

The fourth proportional to 373,025.22, 559,139.38 and 212,756.05 is: 318,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,025.22 : 559,139.38 = 212,756.05 : x
  2. Step 2: Convert to fraction form
    373,025.22/559,139.38 = 212,756.05/x
  3. Step 3: Cross multiply
    373,025.22x = 559,139.38 × 212,756.05
  4. Step 4: Simplify right side
    373,025.22x = 118,960,285,888.25
  5. Step 5: Solve for x
    x = 118,960,285,888.25/373,025.22
  6. Step 6: Final answer
    x = 318,906.82

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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.