Finding the Fourth Proportional to 345,476.82, 518,116.80 and 218,926.08
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Solution
The fourth proportional to 345,476.82, 518,116.80 and 218,926.08 is: 328,326.75
Step by Step Solution
- Step 1: Write the proportion equation
345,476.82 : 518,116.80 = 218,926.08 : x - Step 2: Convert to fraction form
345,476.82/518,116.80 = 218,926.08/x - Step 3: Cross multiply
345,476.82x = 518,116.80 × 218,926.08 - Step 4: Simplify right side
345,476.82x = 113,429,280,006.14 - Step 5: Solve for x
x = 113,429,280,006.14/345,476.82 - Step 6: Final answer
x = 328,326.75
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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.