Finding the Fourth Proportional to 193,521.60, 290,194.92 and 68,865.84
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Solution
The fourth proportional to 193,521.60, 290,194.92 and 68,865.84 is: 103,267.63
Step by Step Solution
- Step 1: Write the proportion equation
193,521.60 : 290,194.92 = 68,865.84 : x - Step 2: Convert to fraction form
193,521.60/290,194.92 = 68,865.84/x - Step 3: Cross multiply
193,521.60x = 290,194.92 × 68,865.84 - Step 4: Simplify right side
193,521.60x = 19,984,516,929.53 - Step 5: Solve for x
x = 19,984,516,929.53/193,521.60 - Step 6: Final answer
x = 103,267.63
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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.