Finding the Fourth Proportional to 289,903.68, 434,959.11 and 176,282.66
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Solution
The fourth proportional to 289,903.68, 434,959.11 and 176,282.66 is: 264,486.98
Step by Step Solution
- Step 1: Write the proportion equation
289,903.68 : 434,959.11 = 176,282.66 : x - Step 2: Convert to fraction form
289,903.68/434,959.11 = 176,282.66/x - Step 3: Cross multiply
289,903.68x = 434,959.11 × 176,282.66 - Step 4: Simplify right side
289,903.68x = 76,675,749,989.43 - Step 5: Solve for x
x = 76,675,749,989.43/289,903.68 - Step 6: Final answer
x = 264,486.98
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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.