Finding the Fourth Proportional to 296,648.43, 409,374.84 and 160,682.42
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Solution
The fourth proportional to 296,648.43, 409,374.84 and 160,682.42 is: 221,741.75
Step by Step Solution
- Step 1: Write the proportion equation
296,648.43 : 409,374.84 = 160,682.42 : x - Step 2: Convert to fraction form
296,648.43/409,374.84 = 160,682.42/x - Step 3: Cross multiply
296,648.43x = 409,374.84 × 160,682.42 - Step 4: Simplify right side
296,648.43x = 65,779,341,604.31 - Step 5: Solve for x
x = 65,779,341,604.31/296,648.43 - Step 6: Final answer
x = 221,741.75
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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.