Finding the Fourth Proportional to 436,718.79, 655,070.87 and 196,699.19
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Solution
The fourth proportional to 436,718.79, 655,070.87 and 196,699.19 is: 295,045.48
Step by Step Solution
- Step 1: Write the proportion equation
436,718.79 : 655,070.87 = 196,699.19 : x - Step 2: Convert to fraction form
436,718.79/655,070.87 = 196,699.19/x - Step 3: Cross multiply
436,718.79x = 655,070.87 × 196,699.19 - Step 4: Simplify right side
436,718.79x = 128,851,906,737.99 - Step 5: Solve for x
x = 128,851,906,737.99/436,718.79 - Step 6: Final answer
x = 295,045.48
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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.