Finding the Fourth Proportional to 303,657.80, 455,195.10 and 236,152.40
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Solution
The fourth proportional to 303,657.80, 455,195.10 and 236,152.40 is: 354,001.82
Step by Step Solution
- Step 1: Write the proportion equation
303,657.80 : 455,195.10 = 236,152.40 : x - Step 2: Convert to fraction form
303,657.80/455,195.10 = 236,152.40/x - Step 3: Cross multiply
303,657.80x = 455,195.10 × 236,152.40 - Step 4: Simplify right side
303,657.80x = 107,495,415,333.24 - Step 5: Solve for x
x = 107,495,415,333.24/303,657.80 - Step 6: Final answer
x = 354,001.82
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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.