Finding the Fourth Proportional to 289,750.60, 406,203.80 and 289,750.60
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Solution
The fourth proportional to 289,750.60, 406,203.80 and 289,750.60 is: 406,203.80
Step by Step Solution
- Step 1: Write the proportion equation
289,750.60 : 406,203.80 = 289,750.60 : x - Step 2: Convert to fraction form
289,750.60/406,203.80 = 289,750.60/x - Step 3: Cross multiply
289,750.60x = 406,203.80 × 289,750.60 - Step 4: Simplify right side
289,750.60x = 117,697,794,772.28 - Step 5: Solve for x
x = 117,697,794,772.28/289,750.60 - Step 6: Final answer
x = 406,203.80
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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.