Finding the Fourth Proportional to 246,408.26, 340,029.44 and 138,971.88
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Solution
The fourth proportional to 246,408.26, 340,029.44 and 138,971.88 is: 191,773.32
Step by Step Solution
- Step 1: Write the proportion equation
246,408.26 : 340,029.44 = 138,971.88 : x - Step 2: Convert to fraction form
246,408.26/340,029.44 = 138,971.88/x - Step 3: Cross multiply
246,408.26x = 340,029.44 × 138,971.88 - Step 4: Simplify right side
246,408.26x = 47,254,529,837.29 - Step 5: Solve for x
x = 47,254,529,837.29/246,408.26 - Step 6: Final answer
x = 191,773.32
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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.