Finding the Fourth Proportional to 289,215.17, 433,257.77 and 199,241.99
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Solution
The fourth proportional to 289,215.17, 433,257.77 and 199,241.99 is: 298,473.76
Step by Step Solution
- Step 1: Write the proportion equation
289,215.17 : 433,257.77 = 199,241.99 : x - Step 2: Convert to fraction form
289,215.17/433,257.77 = 199,241.99/x - Step 3: Cross multiply
289,215.17x = 433,257.77 × 199,241.99 - Step 4: Simplify right side
289,215.17x = 86,323,140,277.76 - Step 5: Solve for x
x = 86,323,140,277.76/289,215.17 - Step 6: Final answer
x = 298,473.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.