Finding the Fourth Proportional to 132,197.55, 182,365.02 and 84,400.65
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Solution
The fourth proportional to 132,197.55, 182,365.02 and 84,400.65 is: 116,429.74
Step by Step Solution
- Step 1: Write the proportion equation
132,197.55 : 182,365.02 = 84,400.65 : x - Step 2: Convert to fraction form
132,197.55/182,365.02 = 84,400.65/x - Step 3: Cross multiply
132,197.55x = 182,365.02 × 84,400.65 - Step 4: Simplify right side
132,197.55x = 15,391,726,225.26 - Step 5: Solve for x
x = 15,391,726,225.26/132,197.55 - Step 6: Final answer
x = 116,429.74
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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.