Finding the Fourth Proportional to 303,479.10, 455,218.65 and 303,479.10
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Solution
The fourth proportional to 303,479.10, 455,218.65 and 303,479.10 is: 455,218.65
Step by Step Solution
- Step 1: Write the proportion equation
303,479.10 : 455,218.65 = 303,479.10 : x - Step 2: Convert to fraction form
303,479.10/455,218.65 = 303,479.10/x - Step 3: Cross multiply
303,479.10x = 455,218.65 × 303,479.10 - Step 4: Simplify right side
303,479.10x = 138,149,346,205.22 - Step 5: Solve for x
x = 138,149,346,205.22/303,479.10 - Step 6: Final answer
x = 455,218.65
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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.