Finding the Fourth Proportional to 757,157.10, 1,135,489.95 and 251,582.31
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Solution
The fourth proportional to 757,157.10, 1,135,489.95 and 251,582.31 is: 377,291.83
Step by Step Solution
- Step 1: Write the proportion equation
757,157.10 : 1,135,489.95 = 251,582.31 : x - Step 2: Convert to fraction form
757,157.10/1,135,489.95 = 251,582.31/x - Step 3: Cross multiply
757,157.10x = 1,135,489.95 × 251,582.31 - Step 4: Simplify right side
757,157.10x = 285,669,184,602.79 - Step 5: Solve for x
x = 285,669,184,602.79/757,157.10 - Step 6: Final answer
x = 377,291.83
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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.