Finding the Fourth Proportional to 163,026.70, 244,540.05 and 157,121.80
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Solution
The fourth proportional to 163,026.70, 244,540.05 and 157,121.80 is: 235,682.70
Step by Step Solution
- Step 1: Write the proportion equation
163,026.70 : 244,540.05 = 157,121.80 : x - Step 2: Convert to fraction form
163,026.70/244,540.05 = 157,121.80/x - Step 3: Cross multiply
163,026.70x = 244,540.05 × 157,121.80 - Step 4: Simplify right side
163,026.70x = 38,422,572,828.09 - Step 5: Solve for x
x = 38,422,572,828.09/163,026.70 - Step 6: Final answer
x = 235,682.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.