Finding the Fourth Proportional to 385,831.42, 532,441.60 and 213,749.02
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Solution
The fourth proportional to 385,831.42, 532,441.60 and 213,749.02 is: 294,970.46
Step by Step Solution
- Step 1: Write the proportion equation
385,831.42 : 532,441.60 = 213,749.02 : x - Step 2: Convert to fraction form
385,831.42/532,441.60 = 213,749.02/x - Step 3: Cross multiply
385,831.42x = 532,441.60 × 213,749.02 - Step 4: Simplify right side
385,831.42x = 113,808,870,207.23 - Step 5: Solve for x
x = 113,808,870,207.23/385,831.42 - Step 6: Final answer
x = 294,970.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.