Finding the Fourth Proportional to 201,306.92, 301,989.54 and 74,936.66
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Solution
The fourth proportional to 201,306.92, 301,989.54 and 74,936.66 is: 112,415.84
Step by Step Solution
- Step 1: Write the proportion equation
201,306.92 : 301,989.54 = 74,936.66 : x - Step 2: Convert to fraction form
201,306.92/301,989.54 = 74,936.66/x - Step 3: Cross multiply
201,306.92x = 301,989.54 × 74,936.66 - Step 4: Simplify right side
201,306.92x = 22,630,087,482.54 - Step 5: Solve for x
x = 22,630,087,482.54/201,306.92 - Step 6: Final answer
x = 112,415.84
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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.