Finding the Fourth Proportional to 203,085.24, 304,824.69 and 97,978.02
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Solution
The fourth proportional to 203,085.24, 304,824.69 and 97,978.02 is: 147,061.99
Step by Step Solution
- Step 1: Write the proportion equation
203,085.24 : 304,824.69 = 97,978.02 : x - Step 2: Convert to fraction form
203,085.24/304,824.69 = 97,978.02/x - Step 3: Cross multiply
203,085.24x = 304,824.69 × 97,978.02 - Step 4: Simplify right side
203,085.24x = 29,866,119,573.31 - Step 5: Solve for x
x = 29,866,119,573.31/203,085.24 - Step 6: Final answer
x = 147,061.99
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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.