Finding the Fourth Proportional to 145,904.10, 201,349.17 and 82,241.88
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Solution
The fourth proportional to 145,904.10, 201,349.17 and 82,241.88 is: 113,494.65
Step by Step Solution
- Step 1: Write the proportion equation
145,904.10 : 201,349.17 = 82,241.88 : x - Step 2: Convert to fraction form
145,904.10/201,349.17 = 82,241.88/x - Step 3: Cross multiply
145,904.10x = 201,349.17 × 82,241.88 - Step 4: Simplify right side
145,904.10x = 16,559,334,277.24 - Step 5: Solve for x
x = 16,559,334,277.24/145,904.10 - Step 6: Final answer
x = 113,494.65
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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.