Finding the Fourth Proportional to 121,848.68, 182,771.10 and 38,741.48
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Solution
The fourth proportional to 121,848.68, 182,771.10 and 38,741.48 is: 58,111.61
Step by Step Solution
- Step 1: Write the proportion equation
121,848.68 : 182,771.10 = 38,741.48 : x - Step 2: Convert to fraction form
121,848.68/182,771.10 = 38,741.48/x - Step 3: Cross multiply
121,848.68x = 182,771.10 × 38,741.48 - Step 4: Simplify right side
121,848.68x = 7,080,822,915.23 - Step 5: Solve for x
x = 7,080,822,915.23/121,848.68 - Step 6: Final answer
x = 58,111.61
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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.