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Finding the Fourth Proportional to 436,746.96, 602,661.96 and 245,826

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Solution

The fourth proportional to 436,746.96, 602,661.96 and 245,826 is: 339,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,746.96 : 602,661.96 = 245,826 : x
  2. Step 2: Convert to fraction form
    436,746.96/602,661.96 = 245,826/x
  3. Step 3: Cross multiply
    436,746.96x = 602,661.96 × 245,826
  4. Step 4: Simplify right side
    436,746.96x = 148,149,978,978.96
  5. Step 5: Solve for x
    x = 148,149,978,978.96/436,746.96
  6. Step 6: Final answer
    x = 339,212.39

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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.