Finding the Fourth Proportional to 193,263.23, 289,922.19 and 74,946.53
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Solution
The fourth proportional to 193,263.23, 289,922.19 and 74,946.53 is: 112,430.40
Step by Step Solution
- Step 1: Write the proportion equation
193,263.23 : 289,922.19 = 74,946.53 : x - Step 2: Convert to fraction form
193,263.23/289,922.19 = 74,946.53/x - Step 3: Cross multiply
193,263.23x = 289,922.19 × 74,946.53 - Step 4: Simplify right side
193,263.23x = 21,728,662,554.26 - Step 5: Solve for x
x = 21,728,662,554.26/193,263.23 - Step 6: Final answer
x = 112,430.40
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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.