Finding the Fourth Proportional to 216,246.80, 324,321.60 and 141,888.80
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Solution
The fourth proportional to 216,246.80, 324,321.60 and 141,888.80 is: 212,801.31
Step by Step Solution
- Step 1: Write the proportion equation
216,246.80 : 324,321.60 = 141,888.80 : x - Step 2: Convert to fraction form
216,246.80/324,321.60 = 141,888.80/x - Step 3: Cross multiply
216,246.80x = 324,321.60 × 141,888.80 - Step 4: Simplify right side
216,246.80x = 46,017,602,638.08 - Step 5: Solve for x
x = 46,017,602,638.08/216,246.80 - Step 6: Final answer
x = 212,801.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.