Home / 388,762.08-584,921.90-231,108.54

Finding the Fourth Proportional to 388,762.08, 584,921.90 and 231,108.54

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Solution

The fourth proportional to 388,762.08, 584,921.90 and 231,108.54 is: 347,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,762.08 : 584,921.90 = 231,108.54 : x
  2. Step 2: Convert to fraction form
    388,762.08/584,921.90 = 231,108.54/x
  3. Step 3: Cross multiply
    388,762.08x = 584,921.90 × 231,108.54
  4. Step 4: Simplify right side
    388,762.08x = 135,180,446,323.03
  5. Step 5: Solve for x
    x = 135,180,446,323.03/388,762.08
  6. Step 6: Final answer
    x = 347,720.25

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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.