Finding the Fourth Proportional to 159,432.69, 220,032.63 and 119,076.38
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Solution
The fourth proportional to 159,432.69, 220,032.63 and 119,076.38 is: 164,336.99
Step by Step Solution
- Step 1: Write the proportion equation
159,432.69 : 220,032.63 = 119,076.38 : x - Step 2: Convert to fraction form
159,432.69/220,032.63 = 119,076.38/x - Step 3: Cross multiply
159,432.69x = 220,032.63 × 119,076.38 - Step 4: Simplify right side
159,432.69x = 26,200,689,062.28 - Step 5: Solve for x
x = 26,200,689,062.28/159,432.69 - Step 6: Final answer
x = 164,336.99
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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.