Finding the Fourth Proportional to 377,013.08, 519,742.68 and 299,855.72
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Solution
The fourth proportional to 377,013.08, 519,742.68 and 299,855.72 is: 413,375.09
Step by Step Solution
- Step 1: Write the proportion equation
377,013.08 : 519,742.68 = 299,855.72 : x - Step 2: Convert to fraction form
377,013.08/519,742.68 = 299,855.72/x - Step 3: Cross multiply
377,013.08x = 519,742.68 × 299,855.72 - Step 4: Simplify right side
377,013.08x = 155,847,815,701.03 - Step 5: Solve for x
x = 155,847,815,701.03/377,013.08 - Step 6: Final answer
x = 413,375.09
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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.