Finding the Fourth Proportional to 197,507.63, 272,564.49 and 116,905.75
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Solution
The fourth proportional to 197,507.63, 272,564.49 and 116,905.75 is: 161,332.28
Step by Step Solution
- Step 1: Write the proportion equation
197,507.63 : 272,564.49 = 116,905.75 : x - Step 2: Convert to fraction form
197,507.63/272,564.49 = 116,905.75/x - Step 3: Cross multiply
197,507.63x = 272,564.49 × 116,905.75 - Step 4: Simplify right side
197,507.63x = 31,864,355,883.80 - Step 5: Solve for x
x = 31,864,355,883.80/197,507.63 - Step 6: Final answer
x = 161,332.28
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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.