Finding the Fourth Proportional to 150,747.08, 208,031.90 and 82,767.02
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Solution
The fourth proportional to 150,747.08, 208,031.90 and 82,767.02 is: 114,218.99
Step by Step Solution
- Step 1: Write the proportion equation
150,747.08 : 208,031.90 = 82,767.02 : x - Step 2: Convert to fraction form
150,747.08/208,031.90 = 82,767.02/x - Step 3: Cross multiply
150,747.08x = 208,031.90 × 82,767.02 - Step 4: Simplify right side
150,747.08x = 17,218,178,973.94 - Step 5: Solve for x
x = 17,218,178,973.94/150,747.08 - Step 6: Final answer
x = 114,218.99
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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.