Finding the Fourth Proportional to 153,604.80, 230,407.20 and 141,163.20
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Solution
The fourth proportional to 153,604.80, 230,407.20 and 141,163.20 is: 211,744.80
Step by Step Solution
- Step 1: Write the proportion equation
153,604.80 : 230,407.20 = 141,163.20 : x - Step 2: Convert to fraction form
153,604.80/230,407.20 = 141,163.20/x - Step 3: Cross multiply
153,604.80x = 230,407.20 × 141,163.20 - Step 4: Simplify right side
153,604.80x = 32,525,017,655.04 - Step 5: Solve for x
x = 32,525,017,655.04/153,604.80 - Step 6: Final answer
x = 211,744.80
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1.5x scale
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.