Finding the Fourth Proportional to 159,646.92, 220,312.36 and 88,028.08
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Solution
The fourth proportional to 159,646.92, 220,312.36 and 88,028.08 is: 121,478.54
Step by Step Solution
- Step 1: Write the proportion equation
159,646.92 : 220,312.36 = 88,028.08 : x - Step 2: Convert to fraction form
159,646.92/220,312.36 = 88,028.08/x - Step 3: Cross multiply
159,646.92x = 220,312.36 × 88,028.08 - Step 4: Simplify right side
159,646.92x = 19,393,674,051.07 - Step 5: Solve for x
x = 19,393,674,051.07/159,646.92 - Step 6: Final answer
x = 121,478.54
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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.