Finding the Fourth Proportional to 393,114.99, 589,558.46 and 153,175.37
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Solution
The fourth proportional to 393,114.99, 589,558.46 and 153,175.37 is: 229,718.63
Step by Step Solution
- Step 1: Write the proportion equation
393,114.99 : 589,558.46 = 153,175.37 : x - Step 2: Convert to fraction form
393,114.99/589,558.46 = 153,175.37/x - Step 3: Cross multiply
393,114.99x = 589,558.46 × 153,175.37 - Step 4: Simplify right side
393,114.99x = 90,305,835,955.15 - Step 5: Solve for x
x = 90,305,835,955.15/393,114.99 - Step 6: Final answer
x = 229,718.63
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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.