Finding the Fourth Proportional to 771,831.42, 1,157,642.04 and 203,164.92
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Solution
The fourth proportional to 771,831.42, 1,157,642.04 and 203,164.92 is: 304,719.72
Step by Step Solution
- Step 1: Write the proportion equation
771,831.42 : 1,157,642.04 = 203,164.92 : x - Step 2: Convert to fraction form
771,831.42/1,157,642.04 = 203,164.92/x - Step 3: Cross multiply
771,831.42x = 1,157,642.04 × 203,164.92 - Step 4: Simplify right side
771,831.42x = 235,192,252,445.24 - Step 5: Solve for x
x = 235,192,252,445.24/771,831.42 - Step 6: Final answer
x = 304,719.72
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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.