Finding the Fourth Proportional to 157,122.41, 235,684.11 and 38,793.77
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Solution
The fourth proportional to 157,122.41, 235,684.11 and 38,793.77 is: 58,190.78
Step by Step Solution
- Step 1: Write the proportion equation
157,122.41 : 235,684.11 = 38,793.77 : x - Step 2: Convert to fraction form
157,122.41/235,684.11 = 38,793.77/x - Step 3: Cross multiply
157,122.41x = 235,684.11 × 38,793.77 - Step 4: Simplify right side
157,122.41x = 9,143,075,155.99 - Step 5: Solve for x
x = 9,143,075,155.99/157,122.41 - Step 6: Final answer
x = 58,190.78
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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.