Finding the Fourth Proportional to 143,027.28, 197,346.96 and 97,102.80
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Solution
The fourth proportional to 143,027.28, 197,346.96 and 97,102.80 is: 133,981.03
Step by Step Solution
- Step 1: Write the proportion equation
143,027.28 : 197,346.96 = 97,102.80 : x - Step 2: Convert to fraction form
143,027.28/197,346.96 = 97,102.80/x - Step 3: Cross multiply
143,027.28x = 197,346.96 × 97,102.80 - Step 4: Simplify right side
143,027.28x = 19,162,942,387.49 - Step 5: Solve for x
x = 19,162,942,387.49/143,027.28 - Step 6: Final answer
x = 133,981.03
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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.