Finding the Fourth Proportional to 407,782.12, 611,873.64 and 183,301.14
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Solution
The fourth proportional to 407,782.12, 611,873.64 and 183,301.14 is: 275,041.82
Step by Step Solution
- Step 1: Write the proportion equation
407,782.12 : 611,873.64 = 183,301.14 : x - Step 2: Convert to fraction form
407,782.12/611,873.64 = 183,301.14/x - Step 3: Cross multiply
407,782.12x = 611,873.64 × 183,301.14 - Step 4: Simplify right side
407,782.12x = 112,157,135,747.95 - Step 5: Solve for x
x = 112,157,135,747.95/407,782.12 - Step 6: Final answer
x = 275,041.82
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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.