Finding the Fourth Proportional to 97,318.64, 134,260.26 and 68,679.88
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Solution
The fourth proportional to 97,318.64, 134,260.26 and 68,679.88 is: 94,750.38
Step by Step Solution
- Step 1: Write the proportion equation
97,318.64 : 134,260.26 = 68,679.88 : x - Step 2: Convert to fraction form
97,318.64/134,260.26 = 68,679.88/x - Step 3: Cross multiply
97,318.64x = 134,260.26 × 68,679.88 - Step 4: Simplify right side
97,318.64x = 9,220,978,545.57 - Step 5: Solve for x
x = 9,220,978,545.57/97,318.64 - Step 6: Final answer
x = 94,750.38
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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.