Finding the Fourth Proportional to 535,696.09, 803,518.17 and 198,802.42
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Solution
The fourth proportional to 535,696.09, 803,518.17 and 198,802.42 is: 298,193.99
Step by Step Solution
- Step 1: Write the proportion equation
535,696.09 : 803,518.17 = 198,802.42 : x - Step 2: Convert to fraction form
535,696.09/803,518.17 = 198,802.42/x - Step 3: Cross multiply
535,696.09x = 803,518.17 × 198,802.42 - Step 4: Simplify right side
535,696.09x = 159,741,356,709.97 - Step 5: Solve for x
x = 159,741,356,709.97/535,696.09 - Step 6: Final answer
x = 298,193.99
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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.