Finding the Fourth Proportional to 292,261.48, 438,355.26 and 92,602.12
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Solution
The fourth proportional to 292,261.48, 438,355.26 and 92,602.12 is: 138,891.47
Step by Step Solution
- Step 1: Write the proportion equation
292,261.48 : 438,355.26 = 92,602.12 : x - Step 2: Convert to fraction form
292,261.48/438,355.26 = 92,602.12/x - Step 3: Cross multiply
292,261.48x = 438,355.26 × 92,602.12 - Step 4: Simplify right side
292,261.48x = 40,592,626,389.15 - Step 5: Solve for x
x = 40,592,626,389.15/292,261.48 - Step 6: Final answer
x = 138,891.47
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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.