Finding the Fourth Proportional to 746,702.20, 1,120,051.12 and 185,736.68
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Solution
The fourth proportional to 746,702.20, 1,120,051.12 and 185,736.68 is: 278,604.48
Step by Step Solution
- Step 1: Write the proportion equation
746,702.20 : 1,120,051.12 = 185,736.68 : x - Step 2: Convert to fraction form
746,702.20/1,120,051.12 = 185,736.68/x - Step 3: Cross multiply
746,702.20x = 1,120,051.12 × 185,736.68 - Step 4: Simplify right side
746,702.20x = 208,034,576,459.08 - Step 5: Solve for x
x = 208,034,576,459.08/746,702.20 - Step 6: Final answer
x = 278,604.48
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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.