Finding the Fourth Proportional to 252,035.84, 347,859.68 and 144,678.40
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Solution
The fourth proportional to 252,035.84, 347,859.68 and 144,678.40 is: 199,685.02
Step by Step Solution
- Step 1: Write the proportion equation
252,035.84 : 347,859.68 = 144,678.40 : x - Step 2: Convert to fraction form
252,035.84/347,859.68 = 144,678.40/x - Step 3: Cross multiply
252,035.84x = 347,859.68 × 144,678.40 - Step 4: Simplify right side
252,035.84x = 50,327,781,926.91 - Step 5: Solve for x
x = 50,327,781,926.91/252,035.84 - Step 6: Final answer
x = 199,685.02
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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.