Finding the Fourth Proportional to 203,486.80, 305,014.20 and 98,237.20
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Solution
The fourth proportional to 203,486.80, 305,014.20 and 98,237.20 is: 147,251.52
Step by Step Solution
- Step 1: Write the proportion equation
203,486.80 : 305,014.20 = 98,237.20 : x - Step 2: Convert to fraction form
203,486.80/305,014.20 = 98,237.20/x - Step 3: Cross multiply
203,486.80x = 305,014.20 × 98,237.20 - Step 4: Simplify right side
203,486.80x = 29,963,740,968.24 - Step 5: Solve for x
x = 29,963,740,968.24/203,486.80 - Step 6: Final answer
x = 147,251.52
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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.