Finding the Fourth Proportional to 129,580.54, 194,237.64 and 49,599.75
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Solution
The fourth proportional to 129,580.54, 194,237.64 and 49,599.75 is: 74,348.65
Step by Step Solution
- Step 1: Write the proportion equation
129,580.54 : 194,237.64 = 49,599.75 : x - Step 2: Convert to fraction form
129,580.54/194,237.64 = 49,599.75/x - Step 3: Cross multiply
129,580.54x = 194,237.64 × 49,599.75 - Step 4: Simplify right side
129,580.54x = 9,634,138,384.59 - Step 5: Solve for x
x = 9,634,138,384.59/129,580.54 - Step 6: Final answer
x = 74,348.65
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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.