Finding the Fourth Proportional to 262,688.79, 393,780.99 and 167,650.68
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Solution
The fourth proportional to 262,688.79, 393,780.99 and 167,650.68 is: 251,315.07
Step by Step Solution
- Step 1: Write the proportion equation
262,688.79 : 393,780.99 = 167,650.68 : x - Step 2: Convert to fraction form
262,688.79/393,780.99 = 167,650.68/x - Step 3: Cross multiply
262,688.79x = 393,780.99 × 167,650.68 - Step 4: Simplify right side
262,688.79x = 66,017,650,744.57 - Step 5: Solve for x
x = 66,017,650,744.57/262,688.79 - Step 6: Final answer
x = 251,315.07
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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.