Finding the Fourth Proportional to 352,865.68, 486,956.81 and 191,720.63
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Solution
The fourth proportional to 352,865.68, 486,956.81 and 191,720.63 is: 264,575.65
Step by Step Solution
- Step 1: Write the proportion equation
352,865.68 : 486,956.81 = 191,720.63 : x - Step 2: Convert to fraction form
352,865.68/486,956.81 = 191,720.63/x - Step 3: Cross multiply
352,865.68x = 486,956.81 × 191,720.63 - Step 4: Simplify right side
352,865.68x = 93,359,666,395.99 - Step 5: Solve for x
x = 93,359,666,395.99/352,865.68 - Step 6: Final answer
x = 264,575.65
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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.