Finding the Fourth Proportional to 159,564.42, 220,200.23 and 87,944.62
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Solution
The fourth proportional to 159,564.42, 220,200.23 and 87,944.62 is: 121,364.31
Step by Step Solution
- Step 1: Write the proportion equation
159,564.42 : 220,200.23 = 87,944.62 : x - Step 2: Convert to fraction form
159,564.42/220,200.23 = 87,944.62/x - Step 3: Cross multiply
159,564.42x = 220,200.23 × 87,944.62 - Step 4: Simplify right side
159,564.42x = 19,365,425,551.26 - Step 5: Solve for x
x = 19,365,425,551.26/159,564.42 - Step 6: Final answer
x = 121,364.31
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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.