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Finding the Fourth Proportional to 574,579.48, 861,866.91 and 175,219.10

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Solution

The fourth proportional to 574,579.48, 861,866.91 and 175,219.10 is: 262,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,579.48 : 861,866.91 = 175,219.10 : x
  2. Step 2: Convert to fraction form
    574,579.48/861,866.91 = 175,219.10/x
  3. Step 3: Cross multiply
    574,579.48x = 861,866.91 × 175,219.10
  4. Step 4: Simplify right side
    574,579.48x = 151,015,543,828.66
  5. Step 5: Solve for x
    x = 151,015,543,828.66/574,579.48
  6. Step 6: Final answer
    x = 262,827.94

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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.