Finding the Fourth Proportional to 758,974.18, 1,138,460.12 and 198,008.68
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Solution
The fourth proportional to 758,974.18, 1,138,460.12 and 198,008.68 is: 297,012.72
Step by Step Solution
- Step 1: Write the proportion equation
758,974.18 : 1,138,460.12 = 198,008.68 : x - Step 2: Convert to fraction form
758,974.18/1,138,460.12 = 198,008.68/x - Step 3: Cross multiply
758,974.18x = 1,138,460.12 × 198,008.68 - Step 4: Simplify right side
758,974.18x = 225,424,985,593.84 - Step 5: Solve for x
x = 225,424,985,593.84/758,974.18 - Step 6: Final answer
x = 297,012.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.