Finding the Fourth Proportional to 204,913.89, 307,407.87 and 92,646.99
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Solution
The fourth proportional to 204,913.89, 307,407.87 and 92,646.99 is: 138,987.23
Step by Step Solution
- Step 1: Write the proportion equation
204,913.89 : 307,407.87 = 92,646.99 : x - Step 2: Convert to fraction form
204,913.89/307,407.87 = 92,646.99/x - Step 3: Cross multiply
204,913.89x = 307,407.87 × 92,646.99 - Step 4: Simplify right side
204,913.89x = 28,480,413,857.81 - Step 5: Solve for x
x = 28,480,413,857.81/204,913.89 - Step 6: Final answer
x = 138,987.23
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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.