Finding the Fourth Proportional to 296,609.79, 409,319.47 and 160,640.63
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Solution
The fourth proportional to 296,609.79, 409,319.47 and 160,640.63 is: 221,682.96
Step by Step Solution
- Step 1: Write the proportion equation
296,609.79 : 409,319.47 = 160,640.63 : x - Step 2: Convert to fraction form
296,609.79/409,319.47 = 160,640.63/x - Step 3: Cross multiply
296,609.79x = 409,319.47 × 160,640.63 - Step 4: Simplify right side
296,609.79x = 65,753,335,083.87 - Step 5: Solve for x
x = 65,753,335,083.87/296,609.79 - Step 6: Final answer
x = 221,682.96
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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.