Finding the Fourth Proportional to 367,717.20, 507,508.79 and 343,703.94
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Solution
The fourth proportional to 367,717.20, 507,508.79 and 343,703.94 is: 474,366.63
Step by Step Solution
- Step 1: Write the proportion equation
367,717.20 : 507,508.79 = 343,703.94 : x - Step 2: Convert to fraction form
367,717.20/507,508.79 = 343,703.94/x - Step 3: Cross multiply
367,717.20x = 507,508.79 × 343,703.94 - Step 4: Simplify right side
367,717.20x = 174,432,768,989.11 - Step 5: Solve for x
x = 174,432,768,989.11/367,717.20 - Step 6: Final answer
x = 474,366.63
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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.