Finding the Fourth Proportional to 409,850.13, 565,592.09 and 228,562.27
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Solution
The fourth proportional to 409,850.13, 565,592.09 and 228,562.27 is: 315,415.32
Step by Step Solution
- Step 1: Write the proportion equation
409,850.13 : 565,592.09 = 228,562.27 : x - Step 2: Convert to fraction form
409,850.13/565,592.09 = 228,562.27/x - Step 3: Cross multiply
409,850.13x = 565,592.09 × 228,562.27 - Step 4: Simplify right side
409,850.13x = 129,273,009,427.65 - Step 5: Solve for x
x = 129,273,009,427.65/409,850.13 - Step 6: Final answer
x = 315,415.32
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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.