Finding the Fourth Proportional to 359,487.12, 538,716.84 and 263,967.84
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Solution
The fourth proportional to 359,487.12, 538,716.84 and 263,967.84 is: 395,574.45
Step by Step Solution
- Step 1: Write the proportion equation
359,487.12 : 538,716.84 = 263,967.84 : x - Step 2: Convert to fraction form
359,487.12/538,716.84 = 263,967.84/x - Step 3: Cross multiply
359,487.12x = 538,716.84 × 263,967.84 - Step 4: Simplify right side
359,487.12x = 142,203,920,626.43 - Step 5: Solve for x
x = 142,203,920,626.43/359,487.12 - Step 6: Final answer
x = 395,574.45
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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.