Home / 438,155.72-604,650.26-247,231.24

Finding the Fourth Proportional to 438,155.72, 604,650.26 and 247,231.24

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Solution

The fourth proportional to 438,155.72, 604,650.26 and 247,231.24 is: 341,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,155.72 : 604,650.26 = 247,231.24 : x
  2. Step 2: Convert to fraction form
    438,155.72/604,650.26 = 247,231.24/x
  3. Step 3: Cross multiply
    438,155.72x = 604,650.26 × 247,231.24
  4. Step 4: Simplify right side
    438,155.72x = 149,488,433,546.12
  5. Step 5: Solve for x
    x = 149,488,433,546.12/438,155.72
  6. Step 6: Final answer
    x = 341,176.50

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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.