Finding the Fourth Proportional to 197,492.60, 272,539.64 and 106,848.60
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Solution
The fourth proportional to 197,492.60, 272,539.64 and 106,848.60 is: 147,450.99
Step by Step Solution
- Step 1: Write the proportion equation
197,492.60 : 272,539.64 = 106,848.60 : x - Step 2: Convert to fraction form
197,492.60/272,539.64 = 106,848.60/x - Step 3: Cross multiply
197,492.60x = 272,539.64 × 106,848.60 - Step 4: Simplify right side
197,492.60x = 29,120,478,444.26 - Step 5: Solve for x
x = 29,120,478,444.26/197,492.60 - Step 6: Final answer
x = 147,450.99
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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.