Finding the Fourth Proportional to 386,315.10, 579,472.65 and 176,363.10
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Solution
The fourth proportional to 386,315.10, 579,472.65 and 176,363.10 is: 264,544.65
Step by Step Solution
- Step 1: Write the proportion equation
386,315.10 : 579,472.65 = 176,363.10 : x - Step 2: Convert to fraction form
386,315.10/579,472.65 = 176,363.10/x - Step 3: Cross multiply
386,315.10x = 579,472.65 × 176,363.10 - Step 4: Simplify right side
386,315.10x = 102,197,592,919.22 - Step 5: Solve for x
x = 102,197,592,919.22/386,315.10 - Step 6: Final answer
x = 264,544.65
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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.