Finding the Fourth Proportional to 384,862.05, 531,135.63 and 223,716.60
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Solution
The fourth proportional to 384,862.05, 531,135.63 and 223,716.60 is: 308,744.02
Step by Step Solution
- Step 1: Write the proportion equation
384,862.05 : 531,135.63 = 223,716.60 : x - Step 2: Convert to fraction form
384,862.05/531,135.63 = 223,716.60/x - Step 3: Cross multiply
384,862.05x = 531,135.63 × 223,716.60 - Step 4: Simplify right side
384,862.05x = 118,823,857,282.46 - Step 5: Solve for x
x = 118,823,857,282.46/384,862.05 - Step 6: Final answer
x = 308,744.02
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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.