Finding the Fourth Proportional to 203,263.36, 304,915.20 and 84,971.68
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Solution
The fourth proportional to 203,263.36, 304,915.20 and 84,971.68 is: 127,465.95
Step by Step Solution
- Step 1: Write the proportion equation
203,263.36 : 304,915.20 = 84,971.68 : x - Step 2: Convert to fraction form
203,263.36/304,915.20 = 84,971.68/x - Step 3: Cross multiply
203,263.36x = 304,915.20 × 84,971.68 - Step 4: Simplify right side
203,263.36x = 25,909,156,801.54 - Step 5: Solve for x
x = 25,909,156,801.54/203,263.36 - Step 6: Final answer
x = 127,465.95
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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.