Finding the Fourth Proportional to 413,519.10, 620,365.05 and 133,064.70
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Solution
The fourth proportional to 413,519.10, 620,365.05 and 133,064.70 is: 199,624.85
Step by Step Solution
- Step 1: Write the proportion equation
413,519.10 : 620,365.05 = 133,064.70 : x - Step 2: Convert to fraction form
413,519.10/620,365.05 = 133,064.70/x - Step 3: Cross multiply
413,519.10x = 620,365.05 × 133,064.70 - Step 4: Simplify right side
413,519.10x = 82,548,689,268.74 - Step 5: Solve for x
x = 82,548,689,268.74/413,519.10 - Step 6: Final answer
x = 199,624.85
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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.