Finding the Fourth Proportional to 393,243.24, 589,831.92 and 203,499.12
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Solution
The fourth proportional to 393,243.24, 589,831.92 and 203,499.12 is: 305,231.63
Step by Step Solution
- Step 1: Write the proportion equation
393,243.24 : 589,831.92 = 203,499.12 : x - Step 2: Convert to fraction form
393,243.24/589,831.92 = 203,499.12/x - Step 3: Cross multiply
393,243.24x = 589,831.92 × 203,499.12 - Step 4: Simplify right side
393,243.24x = 120,030,276,667.91 - Step 5: Solve for x
x = 120,030,276,667.91/393,243.24 - Step 6: Final answer
x = 305,231.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.