Finding the Fourth Proportional to 275,495.06, 412,848.36 and 156,921.62
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Solution
The fourth proportional to 275,495.06, 412,848.36 and 156,921.62 is: 235,157.88
Step by Step Solution
- Step 1: Write the proportion equation
275,495.06 : 412,848.36 = 156,921.62 : x - Step 2: Convert to fraction form
275,495.06/412,848.36 = 156,921.62/x - Step 3: Cross multiply
275,495.06x = 412,848.36 × 156,921.62 - Step 4: Simplify right side
275,495.06x = 64,784,833,465.54 - Step 5: Solve for x
x = 64,784,833,465.54/275,495.06 - Step 6: Final answer
x = 235,157.88
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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.