Finding the Fourth Proportional to 318,628.92, 439,656.43 and 182,637.84
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Solution
The fourth proportional to 318,628.92, 439,656.43 and 182,637.84 is: 252,010.71
Step by Step Solution
- Step 1: Write the proportion equation
318,628.92 : 439,656.43 = 182,637.84 : x - Step 2: Convert to fraction form
318,628.92/439,656.43 = 182,637.84/x - Step 3: Cross multiply
318,628.92x = 439,656.43 × 182,637.84 - Step 4: Simplify right side
318,628.92x = 80,297,900,717.31 - Step 5: Solve for x
x = 80,297,900,717.31/318,628.92 - Step 6: Final answer
x = 252,010.71
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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.