Finding the Fourth Proportional to 434,580.20, 651,651.60 and 257,141.60
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Solution
The fourth proportional to 434,580.20, 651,651.60 and 257,141.60 is: 385,582.99
Step by Step Solution
- Step 1: Write the proportion equation
434,580.20 : 651,651.60 = 257,141.60 : x - Step 2: Convert to fraction form
434,580.20/651,651.60 = 257,141.60/x - Step 3: Cross multiply
434,580.20x = 651,651.60 × 257,141.60 - Step 4: Simplify right side
434,580.20x = 167,566,735,066.56 - Step 5: Solve for x
x = 167,566,735,066.56/434,580.20 - Step 6: Final answer
x = 385,582.99
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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.