Home / 436,842.57-602,743.01-245,786.25

Finding the Fourth Proportional to 436,842.57, 602,743.01 and 245,786.25

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Solution

The fourth proportional to 436,842.57, 602,743.01 and 245,786.25 is: 339,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,842.57 : 602,743.01 = 245,786.25 : x
  2. Step 2: Convert to fraction form
    436,842.57/602,743.01 = 245,786.25/x
  3. Step 3: Cross multiply
    436,842.57x = 602,743.01 × 245,786.25
  4. Step 4: Simplify right side
    436,842.57x = 148,145,944,141.61
  5. Step 5: Solve for x
    x = 148,145,944,141.61/436,842.57
  6. Step 6: Final answer
    x = 339,128.91

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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.