Finding the Fourth Proportional to 119,118.36, 178,679.98 and 48,988.56
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Solution
The fourth proportional to 119,118.36, 178,679.98 and 48,988.56 is: 73,483.84
Step by Step Solution
- Step 1: Write the proportion equation
119,118.36 : 178,679.98 = 48,988.56 : x - Step 2: Convert to fraction form
119,118.36/178,679.98 = 48,988.56/x - Step 3: Cross multiply
119,118.36x = 178,679.98 × 48,988.56 - Step 4: Simplify right side
119,118.36x = 8,753,274,921.03 - Step 5: Solve for x
x = 8,753,274,921.03/119,118.36 - Step 6: Final answer
x = 73,483.84
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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.