Finding the Fourth Proportional to 120,888.17, 181,368.46 and 48,803.96
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Solution
The fourth proportional to 120,888.17, 181,368.46 and 48,803.96 is: 73,220.55
Step by Step Solution
- Step 1: Write the proportion equation
120,888.17 : 181,368.46 = 48,803.96 : x - Step 2: Convert to fraction form
120,888.17/181,368.46 = 48,803.96/x - Step 3: Cross multiply
120,888.17x = 181,368.46 × 48,803.96 - Step 4: Simplify right side
120,888.17x = 8,851,498,160.26 - Step 5: Solve for x
x = 8,851,498,160.26/120,888.17 - Step 6: Final answer
x = 73,220.55
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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.