Finding the Fourth Proportional to 292,415.55, 403,487.96 and 165,088.41
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Solution
The fourth proportional to 292,415.55, 403,487.96 and 165,088.41 is: 227,796.32
Step by Step Solution
- Step 1: Write the proportion equation
292,415.55 : 403,487.96 = 165,088.41 : x - Step 2: Convert to fraction form
292,415.55/403,487.96 = 165,088.41/x - Step 3: Cross multiply
292,415.55x = 403,487.96 × 165,088.41 - Step 4: Simplify right side
292,415.55x = 66,611,185,770.54 - Step 5: Solve for x
x = 66,611,185,770.54/292,415.55 - Step 6: Final answer
x = 227,796.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.