Finding the Fourth Proportional to 148,311.67, 204,670.74 and 80,329.45
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Solution
The fourth proportional to 148,311.67, 204,670.74 and 80,329.45 is: 110,854.99
Step by Step Solution
- Step 1: Write the proportion equation
148,311.67 : 204,670.74 = 80,329.45 : x - Step 2: Convert to fraction form
148,311.67/204,670.74 = 80,329.45/x - Step 3: Cross multiply
148,311.67x = 204,670.74 × 80,329.45 - Step 4: Simplify right side
148,311.67x = 16,441,087,975.29 - Step 5: Solve for x
x = 16,441,087,975.29/148,311.67 - Step 6: Final answer
x = 110,854.99
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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.