Finding the Fourth Proportional to 245,307.80, 367,961.70 and 133,041.80
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Solution
The fourth proportional to 245,307.80, 367,961.70 and 133,041.80 is: 199,562.70
Step by Step Solution
- Step 1: Write the proportion equation
245,307.80 : 367,961.70 = 133,041.80 : x - Step 2: Convert to fraction form
245,307.80/367,961.70 = 133,041.80/x - Step 3: Cross multiply
245,307.80x = 367,961.70 × 133,041.80 - Step 4: Simplify right side
245,307.80x = 48,954,286,899.06 - Step 5: Solve for x
x = 48,954,286,899.06/245,307.80 - Step 6: Final answer
x = 199,562.70
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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.