Finding the Fourth Proportional to 347,953.36, 479,909.64 and 299,638.96
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Solution
The fourth proportional to 347,953.36, 479,909.64 and 299,638.96 is: 413,272.70
Step by Step Solution
- Step 1: Write the proportion equation
347,953.36 : 479,909.64 = 299,638.96 : x - Step 2: Convert to fraction form
347,953.36/479,909.64 = 299,638.96/x - Step 3: Cross multiply
347,953.36x = 479,909.64 × 299,638.96 - Step 4: Simplify right side
347,953.36x = 143,799,625,423.57 - Step 5: Solve for x
x = 143,799,625,423.57/347,953.36 - Step 6: Final answer
x = 413,272.70
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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.