Finding the Fourth Proportional to 393,173.13, 589,645.44 and 153,233.63
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Solution
The fourth proportional to 393,173.13, 589,645.44 and 153,233.63 is: 229,805.92
Step by Step Solution
- Step 1: Write the proportion equation
393,173.13 : 589,645.44 = 153,233.63 : x - Step 2: Convert to fraction form
393,173.13/589,645.44 = 153,233.63/x - Step 3: Cross multiply
393,173.13x = 589,645.44 × 153,233.63 - Step 4: Simplify right side
393,173.13x = 90,353,511,184.15 - Step 5: Solve for x
x = 90,353,511,184.15/393,173.13 - Step 6: Final answer
x = 229,805.92
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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.