Finding the Fourth Proportional to 331,333.80, 497,000.70 and 306,976.09
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Solution
The fourth proportional to 331,333.80, 497,000.70 and 306,976.09 is: 460,464.14
Step by Step Solution
- Step 1: Write the proportion equation
331,333.80 : 497,000.70 = 306,976.09 : x - Step 2: Convert to fraction form
331,333.80/497,000.70 = 306,976.09/x - Step 3: Cross multiply
331,333.80x = 497,000.70 × 306,976.09 - Step 4: Simplify right side
331,333.80x = 152,567,331,613.26 - Step 5: Solve for x
x = 152,567,331,613.26/331,333.80 - Step 6: Final answer
x = 460,464.14
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1.5x scale
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.