Finding the Fourth Proportional to 176,512.36, 243,585.21 and 131,392.12
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Solution
The fourth proportional to 176,512.36, 243,585.21 and 131,392.12 is: 181,319.75
Step by Step Solution
- Step 1: Write the proportion equation
176,512.36 : 243,585.21 = 131,392.12 : x - Step 2: Convert to fraction form
176,512.36/243,585.21 = 131,392.12/x - Step 3: Cross multiply
176,512.36x = 243,585.21 × 131,392.12 - Step 4: Simplify right side
176,512.36x = 32,005,177,142.55 - Step 5: Solve for x
x = 32,005,177,142.55/176,512.36 - Step 6: Final answer
x = 181,319.75
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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.