Finding the Fourth Proportional to 260,623.44, 390,847.68 and 165,795.12
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Solution
The fourth proportional to 260,623.44, 390,847.68 and 165,795.12 is: 248,637.03
Step by Step Solution
- Step 1: Write the proportion equation
260,623.44 : 390,847.68 = 165,795.12 : x - Step 2: Convert to fraction form
260,623.44/390,847.68 = 165,795.12/x - Step 3: Cross multiply
260,623.44x = 390,847.68 × 165,795.12 - Step 4: Simplify right side
260,623.44x = 64,800,638,007.32 - Step 5: Solve for x
x = 64,800,638,007.32/260,623.44 - Step 6: Final answer
x = 248,637.03
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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.