Finding the Fourth Proportional to 303,969.98, 455,269.68 and 146,316.44
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Solution
The fourth proportional to 303,969.98, 455,269.68 and 146,316.44 is: 219,144.79
Step by Step Solution
- Step 1: Write the proportion equation
303,969.98 : 455,269.68 = 146,316.44 : x - Step 2: Convert to fraction form
303,969.98/455,269.68 = 146,316.44/x - Step 3: Cross multiply
303,969.98x = 455,269.68 × 146,316.44 - Step 4: Simplify right side
303,969.98x = 66,613,438,817.54 - Step 5: Solve for x
x = 66,613,438,817.54/303,969.98 - Step 6: Final answer
x = 219,144.79
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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.