Finding the Fourth Proportional to 157,122.30, 235,683.93 and 38,793.66
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Solution
The fourth proportional to 157,122.30, 235,683.93 and 38,793.66 is: 58,190.61
Step by Step Solution
- Step 1: Write the proportion equation
157,122.30 : 235,683.93 = 38,793.66 : x - Step 2: Convert to fraction form
157,122.30/235,683.93 = 38,793.66/x - Step 3: Cross multiply
157,122.30x = 235,683.93 × 38,793.66 - Step 4: Simplify right side
157,122.30x = 9,143,042,247.88 - Step 5: Solve for x
x = 9,143,042,247.88/157,122.30 - Step 6: Final answer
x = 58,190.61
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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.