Finding the Fourth Proportional to 154,069.98, 212,617.98 and 90,408.84
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Solution
The fourth proportional to 154,069.98, 212,617.98 and 90,408.84 is: 124,765.03
Step by Step Solution
- Step 1: Write the proportion equation
154,069.98 : 212,617.98 = 90,408.84 : x - Step 2: Convert to fraction form
154,069.98/212,617.98 = 90,408.84/x - Step 3: Cross multiply
154,069.98x = 212,617.98 × 90,408.84 - Step 4: Simplify right side
154,069.98x = 19,222,544,934.94 - Step 5: Solve for x
x = 19,222,544,934.94/154,069.98 - Step 6: Final answer
x = 124,765.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.