Finding the Fourth Proportional to 303,365.99, 455,048.99 and 284,667.14
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Solution
The fourth proportional to 303,365.99, 455,048.99 and 284,667.14 is: 427,000.71
Step by Step Solution
- Step 1: Write the proportion equation
303,365.99 : 455,048.99 = 284,667.14 : x - Step 2: Convert to fraction form
303,365.99/455,048.99 = 284,667.14/x - Step 3: Cross multiply
303,365.99x = 455,048.99 × 284,667.14 - Step 4: Simplify right side
303,365.99x = 129,537,494,543.19 - Step 5: Solve for x
x = 129,537,494,543.19/303,365.99 - Step 6: Final answer
x = 427,000.71
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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.