Finding the Fourth Proportional to 153,983.62, 230,983.62 and 48,810.79
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Solution
The fourth proportional to 153,983.62, 230,983.62 and 48,810.79 is: 73,218.78
Step by Step Solution
- Step 1: Write the proportion equation
153,983.62 : 230,983.62 = 48,810.79 : x - Step 2: Convert to fraction form
153,983.62/230,983.62 = 48,810.79/x - Step 3: Cross multiply
153,983.62x = 230,983.62 × 48,810.79 - Step 4: Simplify right side
153,983.62x = 11,274,492,969.26 - Step 5: Solve for x
x = 11,274,492,969.26/153,983.62 - Step 6: Final answer
x = 73,218.78
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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.