Finding the Fourth Proportional to 292,573.54, 438,860.27 and 102,989.26
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Solution
The fourth proportional to 292,573.54, 438,860.27 and 102,989.26 is: 154,483.88
Step by Step Solution
- Step 1: Write the proportion equation
292,573.54 : 438,860.27 = 102,989.26 : x - Step 2: Convert to fraction form
292,573.54/438,860.27 = 102,989.26/x - Step 3: Cross multiply
292,573.54x = 438,860.27 × 102,989.26 - Step 4: Simplify right side
292,573.54x = 45,197,894,450.70 - Step 5: Solve for x
x = 45,197,894,450.70/292,573.54 - Step 6: Final answer
x = 154,483.88
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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.