Finding the Fourth Proportional to 203,857.90, 305,651.88 and 97,258.31
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Solution
The fourth proportional to 203,857.90, 305,651.88 and 97,258.31 is: 145,823.07
Step by Step Solution
- Step 1: Write the proportion equation
203,857.90 : 305,651.88 = 97,258.31 : x - Step 2: Convert to fraction form
203,857.90/305,651.88 = 97,258.31/x - Step 3: Cross multiply
203,857.90x = 305,651.88 × 97,258.31 - Step 4: Simplify right side
203,857.90x = 29,727,184,915.06 - Step 5: Solve for x
x = 29,727,184,915.06/203,857.90 - Step 6: Final answer
x = 145,823.07
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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.