Finding the Fourth Proportional to 231,274.05, 346,966.29 and 73,502.79
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Solution
The fourth proportional to 231,274.05, 346,966.29 and 73,502.79 is: 110,271.73
Step by Step Solution
- Step 1: Write the proportion equation
231,274.05 : 346,966.29 = 73,502.79 : x - Step 2: Convert to fraction form
231,274.05/346,966.29 = 73,502.79/x - Step 3: Cross multiply
231,274.05x = 346,966.29 × 73,502.79 - Step 4: Simplify right side
231,274.05x = 25,502,990,350.95 - Step 5: Solve for x
x = 25,502,990,350.95/231,274.05 - Step 6: Final answer
x = 110,271.73
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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.