Finding the Fourth Proportional to 851,167.49, 1,174,619.21 and 469,207.94
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Solution
The fourth proportional to 851,167.49, 1,174,619.21 and 469,207.94 is: 647,511.40
Step by Step Solution
- Step 1: Write the proportion equation
851,167.49 : 1,174,619.21 = 469,207.94 : x - Step 2: Convert to fraction form
851,167.49/1,174,619.21 = 469,207.94/x - Step 3: Cross multiply
851,167.49x = 1,174,619.21 × 469,207.94 - Step 4: Simplify right side
851,167.49x = 551,140,651,589.39 - Step 5: Solve for x
x = 551,140,651,589.39/851,167.49 - Step 6: Final answer
x = 647,511.40
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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.