Finding the Fourth Proportional to 205,875.68, 284,113.48 and 115,230.88
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Solution
The fourth proportional to 205,875.68, 284,113.48 and 115,230.88 is: 159,021.44
Step by Step Solution
- Step 1: Write the proportion equation
205,875.68 : 284,113.48 = 115,230.88 : x - Step 2: Convert to fraction form
205,875.68/284,113.48 = 115,230.88/x - Step 3: Cross multiply
205,875.68x = 284,113.48 × 115,230.88 - Step 4: Simplify right side
205,875.68x = 32,738,646,320.26 - Step 5: Solve for x
x = 32,738,646,320.26/205,875.68 - Step 6: Final answer
x = 159,021.44
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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.