Finding the Fourth Proportional to 418,403.40, 627,252.36 and 181,567.68
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Solution
The fourth proportional to 418,403.40, 627,252.36 and 181,567.68 is: 272,198.45
Step by Step Solution
- Step 1: Write the proportion equation
418,403.40 : 627,252.36 = 181,567.68 : x - Step 2: Convert to fraction form
418,403.40/627,252.36 = 181,567.68/x - Step 3: Cross multiply
418,403.40x = 627,252.36 × 181,567.68 - Step 4: Simplify right side
418,403.40x = 113,888,755,779.73 - Step 5: Solve for x
x = 113,888,755,779.73/418,403.40 - Step 6: Final answer
x = 272,198.45
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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.