Home / 436,621.89-602,537.31-245,635.50

Finding the Fourth Proportional to 436,621.89, 602,537.31 and 245,635.50

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Solution

The fourth proportional to 436,621.89, 602,537.31 and 245,635.50 is: 338,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,621.89 : 602,537.31 = 245,635.50 : x
  2. Step 2: Convert to fraction form
    436,621.89/602,537.31 = 245,635.50/x
  3. Step 3: Cross multiply
    436,621.89x = 602,537.31 × 245,635.50
  4. Step 4: Simplify right side
    436,621.89x = 148,004,553,410.51
  5. Step 5: Solve for x
    x = 148,004,553,410.51/436,621.89
  6. Step 6: Final answer
    x = 338,976.48

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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.