Home / 436,840.14-602,858.79-245,865.90

Finding the Fourth Proportional to 436,840.14, 602,858.79 and 245,865.90

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Solution

The fourth proportional to 436,840.14, 602,858.79 and 245,865.90 is: 339,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,840.14 : 602,858.79 = 245,865.90 : x
  2. Step 2: Convert to fraction form
    436,840.14/602,858.79 = 245,865.90/x
  3. Step 3: Cross multiply
    436,840.14x = 602,858.79 × 245,865.90
  4. Step 4: Simplify right side
    436,840.14x = 148,222,418,976.26
  5. Step 5: Solve for x
    x = 148,222,418,976.26/436,840.14
  6. Step 6: Final answer
    x = 339,305.86

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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.