Finding the Fourth Proportional to 205,625.40, 307,585.08 and 193,028.28
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Solution
The fourth proportional to 205,625.40, 307,585.08 and 193,028.28 is: 288,741.66
Step by Step Solution
- Step 1: Write the proportion equation
205,625.40 : 307,585.08 = 193,028.28 : x - Step 2: Convert to fraction form
205,625.40/307,585.08 = 193,028.28/x - Step 3: Cross multiply
205,625.40x = 307,585.08 × 193,028.28 - Step 4: Simplify right side
205,625.40x = 59,372,618,946.06 - Step 5: Solve for x
x = 59,372,618,946.06/205,625.40 - Step 6: Final answer
x = 288,741.66
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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.