Finding the Fourth Proportional to 418,169.39, 627,292.97 and 118,657.31
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Solution
The fourth proportional to 418,169.39, 627,292.97 and 118,657.31 is: 177,996.99
Step by Step Solution
- Step 1: Write the proportion equation
418,169.39 : 627,292.97 = 118,657.31 : x - Step 2: Convert to fraction form
418,169.39/627,292.97 = 118,657.31/x - Step 3: Cross multiply
418,169.39x = 627,292.97 × 118,657.31 - Step 4: Simplify right side
418,169.39x = 74,432,892,672.36 - Step 5: Solve for x
x = 74,432,892,672.36/418,169.39 - Step 6: Final answer
x = 177,996.99
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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.