Finding the Fourth Proportional to 68,643.06, 102,974.88 and 24,270.18
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Solution
The fourth proportional to 68,643.06, 102,974.88 and 24,270.18 is: 36,408.91
Step by Step Solution
- Step 1: Write the proportion equation
68,643.06 : 102,974.88 = 24,270.18 : x - Step 2: Convert to fraction form
68,643.06/102,974.88 = 24,270.18/x - Step 3: Cross multiply
68,643.06x = 102,974.88 × 24,270.18 - Step 4: Simplify right side
68,643.06x = 2,499,218,873.08 - Step 5: Solve for x
x = 2,499,218,873.08/68,643.06 - Step 6: Final answer
x = 36,408.91
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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.