Finding the Fourth Proportional to 245,437.80, 367,638.30 and 203,965.80
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Solution
The fourth proportional to 245,437.80, 367,638.30 and 203,965.80 is: 305,517.89
Step by Step Solution
- Step 1: Write the proportion equation
245,437.80 : 367,638.30 = 203,965.80 : x - Step 2: Convert to fraction form
245,437.80/367,638.30 = 203,965.80/x - Step 3: Cross multiply
245,437.80x = 367,638.30 × 203,965.80 - Step 4: Simplify right side
245,437.80x = 74,985,639,970.14 - Step 5: Solve for x
x = 74,985,639,970.14/245,437.80 - Step 6: Final answer
x = 305,517.89
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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.