Finding the Fourth Proportional to 379,713.24, 524,014.76 and 209,953.44
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Solution
The fourth proportional to 379,713.24, 524,014.76 and 209,953.44 is: 289,741.55
Step by Step Solution
- Step 1: Write the proportion equation
379,713.24 : 524,014.76 = 209,953.44 : x - Step 2: Convert to fraction form
379,713.24/524,014.76 = 209,953.44/x - Step 3: Cross multiply
379,713.24x = 524,014.76 × 209,953.44 - Step 4: Simplify right side
379,713.24x = 110,018,701,472.77 - Step 5: Solve for x
x = 110,018,701,472.77/379,713.24 - Step 6: Final answer
x = 289,741.55
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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.