Finding the Fourth Proportional to 159,888.26, 220,644.47 and 88,266.75
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Solution
The fourth proportional to 159,888.26, 220,644.47 and 88,266.75 is: 121,807.38
Step by Step Solution
- Step 1: Write the proportion equation
159,888.26 : 220,644.47 = 88,266.75 : x - Step 2: Convert to fraction form
159,888.26/220,644.47 = 88,266.75/x - Step 3: Cross multiply
159,888.26x = 220,644.47 × 88,266.75 - Step 4: Simplify right side
159,888.26x = 19,475,570,272.37 - Step 5: Solve for x
x = 19,475,570,272.37/159,888.26 - Step 6: Final answer
x = 121,807.38
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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.