Finding the Fourth Proportional to 292,021.18, 438,035.28 and 114,611.74
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Solution
The fourth proportional to 292,021.18, 438,035.28 and 114,611.74 is: 171,918.99
Step by Step Solution
- Step 1: Write the proportion equation
292,021.18 : 438,035.28 = 114,611.74 : x - Step 2: Convert to fraction form
292,021.18/438,035.28 = 114,611.74/x - Step 3: Cross multiply
292,021.18x = 438,035.28 × 114,611.74 - Step 4: Simplify right side
292,021.18x = 50,203,985,622.19 - Step 5: Solve for x
x = 50,203,985,622.19/292,021.18 - Step 6: Final answer
x = 171,918.99
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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.