Finding the Fourth Proportional to 132,283.12, 182,499.26 and 74,909.26
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Solution
The fourth proportional to 132,283.12, 182,499.26 and 74,909.26 is: 103,345.65
Step by Step Solution
- Step 1: Write the proportion equation
132,283.12 : 182,499.26 = 74,909.26 : x - Step 2: Convert to fraction form
132,283.12/182,499.26 = 74,909.26/x - Step 3: Cross multiply
132,283.12x = 182,499.26 × 74,909.26 - Step 4: Simplify right side
132,283.12x = 13,670,884,517.15 - Step 5: Solve for x
x = 13,670,884,517.15/132,283.12 - Step 6: Final answer
x = 103,345.65
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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.