Finding the Fourth Proportional to 303,702.19, 455,229.68 and 228,590.08
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Solution
The fourth proportional to 303,702.19, 455,229.68 and 228,590.08 is: 342,641.55
Step by Step Solution
- Step 1: Write the proportion equation
303,702.19 : 455,229.68 = 228,590.08 : x - Step 2: Convert to fraction form
303,702.19/455,229.68 = 228,590.08/x - Step 3: Cross multiply
303,702.19x = 455,229.68 × 228,590.08 - Step 4: Simplify right side
303,702.19x = 104,060,988,969.57 - Step 5: Solve for x
x = 104,060,988,969.57/303,702.19 - Step 6: Final answer
x = 342,641.55
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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.