Finding the Fourth Proportional to 165,381.98, 248,154.98 and 65,539.97
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Solution
The fourth proportional to 165,381.98, 248,154.98 and 65,539.97 is: 98,342.45
Step by Step Solution
- Step 1: Write the proportion equation
165,381.98 : 248,154.98 = 65,539.97 : x - Step 2: Convert to fraction form
165,381.98/248,154.98 = 65,539.97/x - Step 3: Cross multiply
165,381.98x = 248,154.98 × 65,539.97 - Step 4: Simplify right side
165,381.98x = 16,264,068,376.08 - Step 5: Solve for x
x = 16,264,068,376.08/165,381.98 - Step 6: Final answer
x = 98,342.45
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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.