Finding the Fourth Proportional to 413,382.08, 620,027.04 and 113,885.12
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Solution
The fourth proportional to 413,382.08, 620,027.04 and 113,885.12 is: 170,814.99
Step by Step Solution
- Step 1: Write the proportion equation
413,382.08 : 620,027.04 = 113,885.12 : x - Step 2: Convert to fraction form
413,382.08/620,027.04 = 113,885.12/x - Step 3: Cross multiply
413,382.08x = 620,027.04 × 113,885.12 - Step 4: Simplify right side
413,382.08x = 70,611,853,853.64 - Step 5: Solve for x
x = 70,611,853,853.64/413,382.08 - Step 6: Final answer
x = 170,814.99
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1.5x scale
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.