Finding the Fourth Proportional to 157,093.20, 235,294.20 and 153,637.20
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Solution
The fourth proportional to 157,093.20, 235,294.20 and 153,637.20 is: 230,117.80
Step by Step Solution
- Step 1: Write the proportion equation
157,093.20 : 235,294.20 = 153,637.20 : x - Step 2: Convert to fraction form
157,093.20/235,294.20 = 153,637.20/x - Step 3: Cross multiply
157,093.20x = 235,294.20 × 153,637.20 - Step 4: Simplify right side
157,093.20x = 36,149,942,064.24 - Step 5: Solve for x
x = 36,149,942,064.24/157,093.20 - Step 6: Final answer
x = 230,117.80
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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.