Finding the Fourth Proportional to 203,586.02, 280,949.04 and 112,941.99
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Solution
The fourth proportional to 203,586.02, 280,949.04 and 112,941.99 is: 155,860.13
Step by Step Solution
- Step 1: Write the proportion equation
203,586.02 : 280,949.04 = 112,941.99 : x - Step 2: Convert to fraction form
203,586.02/280,949.04 = 112,941.99/x - Step 3: Cross multiply
203,586.02x = 280,949.04 × 112,941.99 - Step 4: Simplify right side
203,586.02x = 31,730,943,666.19 - Step 5: Solve for x
x = 31,730,943,666.19/203,586.02 - Step 6: Final answer
x = 155,860.13
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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.