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Finding the Fourth Proportional to 575,969.23, 863,921.49 and 176,608.90

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Solution

The fourth proportional to 575,969.23, 863,921.49 and 176,608.90 is: 264,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,969.23 : 863,921.49 = 176,608.90 : x
  2. Step 2: Convert to fraction form
    575,969.23/863,921.49 = 176,608.90/x
  3. Step 3: Cross multiply
    575,969.23x = 863,921.49 × 176,608.90
  4. Step 4: Simplify right side
    575,969.23x = 152,576,224,035.26
  5. Step 5: Solve for x
    x = 152,576,224,035.26/575,969.23
  6. Step 6: Final answer
    x = 264,903.43

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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.