Finding the Fourth Proportional to 174,374.12, 261,448.62 and 74,599.40
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Solution
The fourth proportional to 174,374.12, 261,448.62 and 74,599.40 is: 111,850.95
Step by Step Solution
- Step 1: Write the proportion equation
174,374.12 : 261,448.62 = 74,599.40 : x - Step 2: Convert to fraction form
174,374.12/261,448.62 = 74,599.40/x - Step 3: Cross multiply
174,374.12x = 261,448.62 × 74,599.40 - Step 4: Simplify right side
174,374.12x = 19,503,910,182.83 - Step 5: Solve for x
x = 19,503,910,182.83/174,374.12 - Step 6: Final answer
x = 111,850.95
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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.