Finding the Fourth Proportional to 173,890.90, 260,836.35 and 68,655.70
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Solution
The fourth proportional to 173,890.90, 260,836.35 and 68,655.70 is: 102,983.55
Step by Step Solution
- Step 1: Write the proportion equation
173,890.90 : 260,836.35 = 68,655.70 : x - Step 2: Convert to fraction form
173,890.90/260,836.35 = 68,655.70/x - Step 3: Cross multiply
173,890.90x = 260,836.35 × 68,655.70 - Step 4: Simplify right side
173,890.90x = 17,907,902,194.70 - Step 5: Solve for x
x = 17,907,902,194.70/173,890.90 - Step 6: Final answer
x = 102,983.55
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1.5x scale
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.