Home / 307,189.44-423,870.08-171,193.59

Finding the Fourth Proportional to 307,189.44, 423,870.08 and 171,193.59

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Solution

The fourth proportional to 307,189.44, 423,870.08 and 171,193.59 is: 236,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,189.44 : 423,870.08 = 171,193.59 : x
  2. Step 2: Convert to fraction form
    307,189.44/423,870.08 = 171,193.59/x
  3. Step 3: Cross multiply
    307,189.44x = 423,870.08 × 171,193.59
  4. Step 4: Simplify right side
    307,189.44x = 72,563,839,832.82
  5. Step 5: Solve for x
    x = 72,563,839,832.82/307,189.44
  6. Step 6: Final answer
    x = 236,218.54

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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.