Finding the Fourth Proportional to 251,671.70, 347,313.35 and 136,956.58
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Solution
The fourth proportional to 251,671.70, 347,313.35 and 136,956.58 is: 189,003.56
Step by Step Solution
- Step 1: Write the proportion equation
251,671.70 : 347,313.35 = 136,956.58 : x - Step 2: Convert to fraction form
251,671.70/347,313.35 = 136,956.58/x - Step 3: Cross multiply
251,671.70x = 347,313.35 × 136,956.58 - Step 4: Simplify right side
251,671.70x = 47,566,848,078.45 - Step 5: Solve for x
x = 47,566,848,078.45/251,671.70 - Step 6: Final answer
x = 189,003.56
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1.5x scale
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.