Finding the Fourth Proportional to 323,382.18, 446,280.86 and 180,142.18
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Solution
The fourth proportional to 323,382.18, 446,280.86 and 180,142.18 is: 248,603.70
Step by Step Solution
- Step 1: Write the proportion equation
323,382.18 : 446,280.86 = 180,142.18 : x - Step 2: Convert to fraction form
323,382.18/446,280.86 = 180,142.18/x - Step 3: Cross multiply
323,382.18x = 446,280.86 × 180,142.18 - Step 4: Simplify right side
323,382.18x = 80,394,006,111.96 - Step 5: Solve for x
x = 80,394,006,111.96/323,382.18 - Step 6: Final answer
x = 248,603.70
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1.5x scale
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.