Finding the Fourth Proportional to 308,122.60, 432,615.80 and 308,122.60
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Solution
The fourth proportional to 308,122.60, 432,615.80 and 308,122.60 is: 432,615.80
Step by Step Solution
- Step 1: Write the proportion equation
308,122.60 : 432,615.80 = 308,122.60 : x - Step 2: Convert to fraction form
308,122.60/432,615.80 = 308,122.60/x - Step 3: Cross multiply
308,122.60x = 432,615.80 × 308,122.60 - Step 4: Simplify right side
308,122.60x = 133,298,705,097.08 - Step 5: Solve for x
x = 133,298,705,097.08/308,122.60 - Step 6: Final answer
x = 432,615.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.