Finding the Fourth Proportional to 197,730.09, 272,887.01 and 112,859.91
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Solution
The fourth proportional to 197,730.09, 272,887.01 and 112,859.91 is: 155,757.80
Step by Step Solution
- Step 1: Write the proportion equation
197,730.09 : 272,887.01 = 112,859.91 : x - Step 2: Convert to fraction form
197,730.09/272,887.01 = 112,859.91/x - Step 3: Cross multiply
197,730.09x = 272,887.01 × 112,859.91 - Step 4: Simplify right side
197,730.09x = 30,798,002,824.47 - Step 5: Solve for x
x = 30,798,002,824.47/197,730.09 - Step 6: Final answer
x = 155,757.80
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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.