Finding the Fourth Proportional to 203,497.55, 280,502.97 and 160,407.17
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Solution
The fourth proportional to 203,497.55, 280,502.97 and 160,407.17 is: 221,106.78
Step by Step Solution
- Step 1: Write the proportion equation
203,497.55 : 280,502.97 = 160,407.17 : x - Step 2: Convert to fraction form
203,497.55/280,502.97 = 160,407.17/x - Step 3: Cross multiply
203,497.55x = 280,502.97 × 160,407.17 - Step 4: Simplify right side
203,497.55x = 44,994,687,594.29 - Step 5: Solve for x
x = 44,994,687,594.29/203,497.55 - Step 6: Final answer
x = 221,106.78
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1.5x scale
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.