Home / 384,138.72-529,890.26-222,973.02

Finding the Fourth Proportional to 384,138.72, 529,890.26 and 222,973.02

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Solution

The fourth proportional to 384,138.72, 529,890.26 and 222,973.02 is: 307,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,138.72 : 529,890.26 = 222,973.02 : x
  2. Step 2: Convert to fraction form
    384,138.72/529,890.26 = 222,973.02/x
  3. Step 3: Cross multiply
    384,138.72x = 529,890.26 × 222,973.02
  4. Step 4: Simplify right side
    384,138.72x = 118,151,230,425.92
  5. Step 5: Solve for x
    x = 118,151,230,425.92/384,138.72
  6. Step 6: Final answer
    x = 307,574.38

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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.