Finding the Fourth Proportional to 132,434.99, 197,404.88 and 121,806.17
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Solution
The fourth proportional to 132,434.99, 197,404.88 and 121,806.17 is: 181,561.77
Step by Step Solution
- Step 1: Write the proportion equation
132,434.99 : 197,404.88 = 121,806.17 : x - Step 2: Convert to fraction form
132,434.99/197,404.88 = 121,806.17/x - Step 3: Cross multiply
132,434.99x = 197,404.88 × 121,806.17 - Step 4: Simplify right side
132,434.99x = 24,045,130,776.05 - Step 5: Solve for x
x = 24,045,130,776.05/132,434.99 - Step 6: Final answer
x = 181,561.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.