Finding the Fourth Proportional to 163,040.70, 244,561.05 and 157,135.80
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Solution
The fourth proportional to 163,040.70, 244,561.05 and 157,135.80 is: 235,703.70
Step by Step Solution
- Step 1: Write the proportion equation
163,040.70 : 244,561.05 = 157,135.80 : x - Step 2: Convert to fraction form
163,040.70/244,561.05 = 157,135.80/x - Step 3: Cross multiply
163,040.70x = 244,561.05 × 157,135.80 - Step 4: Simplify right side
163,040.70x = 38,429,296,240.59 - Step 5: Solve for x
x = 38,429,296,240.59/163,040.70 - Step 6: Final answer
x = 235,703.70
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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.