Finding the Fourth Proportional to 366,331.46, 505,784.26 and 228,720.12
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Solution
The fourth proportional to 366,331.46, 505,784.26 and 228,720.12 is: 315,787.88
Step by Step Solution
- Step 1: Write the proportion equation
366,331.46 : 505,784.26 = 228,720.12 : x - Step 2: Convert to fraction form
366,331.46/505,784.26 = 228,720.12/x - Step 3: Cross multiply
366,331.46x = 505,784.26 × 228,720.12 - Step 4: Simplify right side
366,331.46x = 115,683,036,641.31 - Step 5: Solve for x
x = 115,683,036,641.31/366,331.46 - Step 6: Final answer
x = 315,787.88
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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.