Finding the Fourth Proportional to 201,487.70, 301,972.35 and 122,518.10
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Solution
The fourth proportional to 201,487.70, 301,972.35 and 122,518.10 is: 183,619.54
Step by Step Solution
- Step 1: Write the proportion equation
201,487.70 : 301,972.35 = 122,518.10 : x - Step 2: Convert to fraction form
201,487.70/301,972.35 = 122,518.10/x - Step 3: Cross multiply
201,487.70x = 301,972.35 × 122,518.10 - Step 4: Simplify right side
201,487.70x = 36,997,078,574.54 - Step 5: Solve for x
x = 36,997,078,574.54/201,487.70 - Step 6: Final answer
x = 183,619.54
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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.