Finding the Fourth Proportional to 162,848.64, 243,912.06 and 125,131.08
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Solution
The fourth proportional to 162,848.64, 243,912.06 and 125,131.08 is: 187,419.31
Step by Step Solution
- Step 1: Write the proportion equation
162,848.64 : 243,912.06 = 125,131.08 : x - Step 2: Convert to fraction form
162,848.64/243,912.06 = 125,131.08/x - Step 3: Cross multiply
162,848.64x = 243,912.06 × 125,131.08 - Step 4: Simplify right side
162,848.64x = 30,520,979,492.82 - Step 5: Solve for x
x = 30,520,979,492.82/162,848.64 - Step 6: Final answer
x = 187,419.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.