Finding the Fourth Proportional to 405,137.05, 559,094.07 and 223,847.29
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Solution
The fourth proportional to 405,137.05, 559,094.07 and 223,847.29 is: 308,911.99
Step by Step Solution
- Step 1: Write the proportion equation
405,137.05 : 559,094.07 = 223,847.29 : x - Step 2: Convert to fraction form
405,137.05/559,094.07 = 223,847.29/x - Step 3: Cross multiply
405,137.05x = 559,094.07 × 223,847.29 - Step 4: Simplify right side
405,137.05x = 125,151,692,424.57 - Step 5: Solve for x
x = 125,151,692,424.57/405,137.05 - Step 6: Final answer
x = 308,911.99
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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.