Finding the Fourth Proportional to 301,299.57, 415,988.18 and 186,699.82
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Solution
The fourth proportional to 301,299.57, 415,988.18 and 186,699.82 is: 257,766.44
Step by Step Solution
- Step 1: Write the proportion equation
301,299.57 : 415,988.18 = 186,699.82 : x - Step 2: Convert to fraction form
301,299.57/415,988.18 = 186,699.82/x - Step 3: Cross multiply
301,299.57x = 415,988.18 × 186,699.82 - Step 4: Simplify right side
301,299.57x = 77,664,918,328.13 - Step 5: Solve for x
x = 77,664,918,328.13/301,299.57 - Step 6: Final answer
x = 257,766.44
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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.