Finding the Fourth Proportional to 157,895.20, 218,040.89 and 101,404.99
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Solution
The fourth proportional to 157,895.20, 218,040.89 and 101,404.99 is: 140,032.34
Step by Step Solution
- Step 1: Write the proportion equation
157,895.20 : 218,040.89 = 101,404.99 : x - Step 2: Convert to fraction form
157,895.20/218,040.89 = 101,404.99/x - Step 3: Cross multiply
157,895.20x = 218,040.89 × 101,404.99 - Step 4: Simplify right side
157,895.20x = 22,110,434,270.04 - Step 5: Solve for x
x = 22,110,434,270.04/157,895.20 - Step 6: Final answer
x = 140,032.34
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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.