Finding the Fourth Proportional to 122,423.25, 183,597.97 and 47,526.70
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Solution
The fourth proportional to 122,423.25, 183,597.97 and 47,526.70 is: 71,275.72
Step by Step Solution
- Step 1: Write the proportion equation
122,423.25 : 183,597.97 = 47,526.70 : x - Step 2: Convert to fraction form
122,423.25/183,597.97 = 47,526.70/x - Step 3: Cross multiply
122,423.25x = 183,597.97 × 47,526.70 - Step 4: Simplify right side
122,423.25x = 8,725,805,362.68 - Step 5: Solve for x
x = 8,725,805,362.68/122,423.25 - Step 6: Final answer
x = 71,275.72
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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.