Finding the Fourth Proportional to 159,487.24, 220,092.93 and 87,867.09
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Solution
The fourth proportional to 159,487.24, 220,092.93 and 87,867.09 is: 121,256.88
Step by Step Solution
- Step 1: Write the proportion equation
159,487.24 : 220,092.93 = 87,867.09 : x - Step 2: Convert to fraction form
159,487.24/220,092.93 = 87,867.09/x - Step 3: Cross multiply
159,487.24x = 220,092.93 × 87,867.09 - Step 4: Simplify right side
159,487.24x = 19,338,925,288.67 - Step 5: Solve for x
x = 19,338,925,288.67/159,487.24 - Step 6: Final answer
x = 121,256.88
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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.