Finding the Fourth Proportional to 153,571.98, 230,217.64 and 130,031.21
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Solution
The fourth proportional to 153,571.98, 230,217.64 and 130,031.21 is: 194,927.99
Step by Step Solution
- Step 1: Write the proportion equation
153,571.98 : 230,217.64 = 130,031.21 : x - Step 2: Convert to fraction form
153,571.98/230,217.64 = 130,031.21/x - Step 3: Cross multiply
153,571.98x = 230,217.64 × 130,031.21 - Step 4: Simplify right side
153,571.98x = 29,935,477,979.46 - Step 5: Solve for x
x = 29,935,477,979.46/153,571.98 - Step 6: Final answer
x = 194,927.99
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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.