Finding the Fourth Proportional to 402,376.60, 555,449.94 and 271,582.68
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Solution
The fourth proportional to 402,376.60, 555,449.94 and 271,582.68 is: 374,899.00
Step by Step Solution
- Step 1: Write the proportion equation
402,376.60 : 555,449.94 = 271,582.68 : x - Step 2: Convert to fraction form
402,376.60/555,449.94 = 271,582.68/x - Step 3: Cross multiply
402,376.60x = 555,449.94 × 271,582.68 - Step 4: Simplify right side
402,376.60x = 150,850,583,311.04 - Step 5: Solve for x
x = 150,850,583,311.04/402,376.60 - Step 6: Final answer
x = 374,899.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.