Finding the Fourth Proportional to 366,403.84, 505,491.71 and 228,501.63
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Solution
The fourth proportional to 366,403.84, 505,491.71 and 228,501.63 is: 315,241.45
Step by Step Solution
- Step 1: Write the proportion equation
366,403.84 : 505,491.71 = 228,501.63 : x - Step 2: Convert to fraction form
366,403.84/505,491.71 = 228,501.63/x - Step 3: Cross multiply
366,403.84x = 505,491.71 × 228,501.63 - Step 4: Simplify right side
366,403.84x = 115,505,678,543.98 - Step 5: Solve for x
x = 115,505,678,543.98/366,403.84 - Step 6: Final answer
x = 315,241.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.