Finding the Fourth Proportional to 159,506.48, 220,117.86 and 87,884.84
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Solution
The fourth proportional to 159,506.48, 220,117.86 and 87,884.84 is: 121,280.48
Step by Step Solution
- Step 1: Write the proportion equation
159,506.48 : 220,117.86 = 87,884.84 : x - Step 2: Convert to fraction form
159,506.48/220,117.86 = 87,884.84/x - Step 3: Cross multiply
159,506.48x = 220,117.86 × 87,884.84 - Step 4: Simplify right side
159,506.48x = 19,345,022,907.24 - Step 5: Solve for x
x = 19,345,022,907.24/159,506.48 - Step 6: Final answer
x = 121,280.48
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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.