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Finding the Fourth Proportional to 424,374.48, 585,533.97 and 269,269.29

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Solution

The fourth proportional to 424,374.48, 585,533.97 and 269,269.29 is: 371,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,374.48 : 585,533.97 = 269,269.29 : x
  2. Step 2: Convert to fraction form
    424,374.48/585,533.97 = 269,269.29/x
  3. Step 3: Cross multiply
    424,374.48x = 585,533.97 × 269,269.29
  4. Step 4: Simplify right side
    424,374.48x = 157,666,316,372.78
  5. Step 5: Solve for x
    x = 157,666,316,372.78/424,374.48
  6. Step 6: Final answer
    x = 371,526.38

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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.