Finding the Fourth Proportional to 245,851.67, 368,840.89 and 133,503.05
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Solution
The fourth proportional to 245,851.67, 368,840.89 and 133,503.05 is: 200,289.00
Step by Step Solution
- Step 1: Write the proportion equation
245,851.67 : 368,840.89 = 133,503.05 : x - Step 2: Convert to fraction form
245,851.67/368,840.89 = 133,503.05/x - Step 3: Cross multiply
245,851.67x = 368,840.89 × 133,503.05 - Step 4: Simplify right side
245,851.67x = 49,241,384,868.70 - Step 5: Solve for x
x = 49,241,384,868.70/245,851.67 - Step 6: Final answer
x = 200,289.00
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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.