Finding the Fourth Proportional to 132,447.24, 198,670.80 and 38,952.99
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Solution
The fourth proportional to 132,447.24, 198,670.80 and 38,952.99 is: 58,429.47
Step by Step Solution
- Step 1: Write the proportion equation
132,447.24 : 198,670.80 = 38,952.99 : x - Step 2: Convert to fraction form
132,447.24/198,670.80 = 38,952.99/x - Step 3: Cross multiply
132,447.24x = 198,670.80 × 38,952.99 - Step 4: Simplify right side
132,447.24x = 7,738,822,390.53 - Step 5: Solve for x
x = 7,738,822,390.53/132,447.24 - Step 6: Final answer
x = 58,429.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.