Finding the Fourth Proportional to 176,652.08, 264,720.48 and 81,911.28
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Solution
The fourth proportional to 176,652.08, 264,720.48 and 81,911.28 is: 122,747.46
Step by Step Solution
- Step 1: Write the proportion equation
176,652.08 : 264,720.48 = 81,911.28 : x - Step 2: Convert to fraction form
176,652.08/264,720.48 = 81,911.28/x - Step 3: Cross multiply
176,652.08x = 264,720.48 × 81,911.28 - Step 4: Simplify right side
176,652.08x = 21,683,593,359.01 - Step 5: Solve for x
x = 21,683,593,359.01/176,652.08 - Step 6: Final answer
x = 122,747.46
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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.