Finding the Fourth Proportional to 379,586.28, 523,810.95 and 207,513.12
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Solution
The fourth proportional to 379,586.28, 523,810.95 and 207,513.12 is: 286,358.20
Step by Step Solution
- Step 1: Write the proportion equation
379,586.28 : 523,810.95 = 207,513.12 : x - Step 2: Convert to fraction form
379,586.28/523,810.95 = 207,513.12/x - Step 3: Cross multiply
379,586.28x = 523,810.95 × 207,513.12 - Step 4: Simplify right side
379,586.28x = 108,697,644,524.66 - Step 5: Solve for x
x = 108,697,644,524.66/379,586.28 - Step 6: Final answer
x = 286,358.20
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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.