Finding the Fourth Proportional to 133,604.88, 184,328.96 and 76,202.73
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Solution
The fourth proportional to 133,604.88, 184,328.96 and 76,202.73 is: 105,133.66
Step by Step Solution
- Step 1: Write the proportion equation
133,604.88 : 184,328.96 = 76,202.73 : x - Step 2: Convert to fraction form
133,604.88/184,328.96 = 76,202.73/x - Step 3: Cross multiply
133,604.88x = 184,328.96 × 76,202.73 - Step 4: Simplify right side
133,604.88x = 14,046,369,589.05 - Step 5: Solve for x
x = 14,046,369,589.05/133,604.88 - Step 6: Final answer
x = 105,133.66
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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.