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Finding the Fourth Proportional to 574,570, 861,855 and 180,586

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Solution

The fourth proportional to 574,570, 861,855 and 180,586 is: 270,879

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,570 : 861,855 = 180,586 : x
  2. Step 2: Convert to fraction form
    574,570/861,855 = 180,586/x
  3. Step 3: Cross multiply
    574,570x = 861,855 × 180,586
  4. Step 4: Simplify right side
    574,570x = 155,638,947,030
  5. Step 5: Solve for x
    x = 155,638,947,030/574,570
  6. Step 6: Final answer
    x = 270,879

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.