Finding the Fourth Proportional to 302,687.70, 455,015.70 and 214,551.60
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Solution
The fourth proportional to 302,687.70, 455,015.70 and 214,551.60 is: 322,524.99
Step by Step Solution
- Step 1: Write the proportion equation
302,687.70 : 455,015.70 = 214,551.60 : x - Step 2: Convert to fraction form
302,687.70/455,015.70 = 214,551.60/x - Step 3: Cross multiply
302,687.70x = 455,015.70 × 214,551.60 - Step 4: Simplify right side
302,687.70x = 97,624,346,460.12 - Step 5: Solve for x
x = 97,624,346,460.12/302,687.70 - Step 6: Final answer
x = 322,524.99
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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.