Finding the Fourth Proportional to 201,970.80, 302,622.84 and 122,845.68
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Solution
The fourth proportional to 201,970.80, 302,622.84 and 122,845.68 is: 184,065.76
Step by Step Solution
- Step 1: Write the proportion equation
201,970.80 : 302,622.84 = 122,845.68 : x - Step 2: Convert to fraction form
201,970.80/302,622.84 = 122,845.68/x - Step 3: Cross multiply
201,970.80x = 302,622.84 × 122,845.68 - Step 4: Simplify right side
201,970.80x = 37,175,908,563.33 - Step 5: Solve for x
x = 37,175,908,563.33/201,970.80 - Step 6: Final answer
x = 184,065.76
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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.