Finding the Fourth Proportional to 314,398.08, 433,831.68 and 178,447.68
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Solution
The fourth proportional to 314,398.08, 433,831.68 and 178,447.68 is: 246,236.42
Step by Step Solution
- Step 1: Write the proportion equation
314,398.08 : 433,831.68 = 178,447.68 : x - Step 2: Convert to fraction form
314,398.08/433,831.68 = 178,447.68/x - Step 3: Cross multiply
314,398.08x = 433,831.68 × 178,447.68 - Step 4: Simplify right side
314,398.08x = 77,416,256,806.50 - Step 5: Solve for x
x = 77,416,256,806.50/314,398.08 - Step 6: Final answer
x = 246,236.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.