Finding the Fourth Proportional to 471,157.93, 704,953.50 and 279,135.48
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Solution
The fourth proportional to 471,157.93, 704,953.50 and 279,135.48 is: 417,646.66
Step by Step Solution
- Step 1: Write the proportion equation
471,157.93 : 704,953.50 = 279,135.48 : x - Step 2: Convert to fraction form
471,157.93/704,953.50 = 279,135.48/x - Step 3: Cross multiply
471,157.93x = 704,953.50 × 279,135.48 - Step 4: Simplify right side
471,157.93x = 196,777,533,600.18 - Step 5: Solve for x
x = 196,777,533,600.18/471,157.93 - Step 6: Final answer
x = 417,646.66
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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.