Finding the Fourth Proportional to 578,035.19, 866,837.12 and 198,848.67
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Solution
The fourth proportional to 578,035.19, 866,837.12 and 198,848.67 is: 298,198.82
Step by Step Solution
- Step 1: Write the proportion equation
578,035.19 : 866,837.12 = 198,848.67 : x - Step 2: Convert to fraction form
578,035.19/866,837.12 = 198,848.67/x - Step 3: Cross multiply
578,035.19x = 866,837.12 × 198,848.67 - Step 4: Simplify right side
578,035.19x = 172,369,407,424.39 - Step 5: Solve for x
x = 172,369,407,424.39/578,035.19 - Step 6: Final answer
x = 298,198.82
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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.