Home / 436,731.96-602,699.31-245,745.36

Finding the Fourth Proportional to 436,731.96, 602,699.31 and 245,745.36

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Solution

The fourth proportional to 436,731.96, 602,699.31 and 245,745.36 is: 339,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,731.96 : 602,699.31 = 245,745.36 : x
  2. Step 2: Convert to fraction form
    436,731.96/602,699.31 = 245,745.36/x
  3. Step 3: Cross multiply
    436,731.96x = 602,699.31 × 245,745.36
  4. Step 4: Simplify right side
    436,731.96x = 148,110,558,907.70
  5. Step 5: Solve for x
    x = 148,110,558,907.70/436,731.96
  6. Step 6: Final answer
    x = 339,133.78

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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.