Finding the Fourth Proportional to 239,420.37, 330,402.66 and 131,994.26
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Solution
The fourth proportional to 239,420.37, 330,402.66 and 131,994.26 is: 182,153.48
Step by Step Solution
- Step 1: Write the proportion equation
239,420.37 : 330,402.66 = 131,994.26 : x - Step 2: Convert to fraction form
239,420.37/330,402.66 = 131,994.26/x - Step 3: Cross multiply
239,420.37x = 330,402.66 × 131,994.26 - Step 4: Simplify right side
239,420.37x = 43,611,254,443.22 - Step 5: Solve for x
x = 43,611,254,443.22/239,420.37 - Step 6: Final answer
x = 182,153.48
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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.