Finding the Fourth Proportional to 399,652.08, 599,464.18 and 100,135.20
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Solution
The fourth proportional to 399,652.08, 599,464.18 and 100,135.20 is: 150,199.31
Step by Step Solution
- Step 1: Write the proportion equation
399,652.08 : 599,464.18 = 100,135.20 : x - Step 2: Convert to fraction form
399,652.08/599,464.18 = 100,135.20/x - Step 3: Cross multiply
399,652.08x = 599,464.18 × 100,135.20 - Step 4: Simplify right side
399,652.08x = 60,027,465,557.14 - Step 5: Solve for x
x = 60,027,465,557.14/399,652.08 - Step 6: Final answer
x = 150,199.31
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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.