Finding the Fourth Proportional to 132,459.41, 182,794.84 and 72,030.71
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Solution
The fourth proportional to 132,459.41, 182,794.84 and 72,030.71 is: 99,402.84
Step by Step Solution
- Step 1: Write the proportion equation
132,459.41 : 182,794.84 = 72,030.71 : x - Step 2: Convert to fraction form
132,459.41/182,794.84 = 72,030.71/x - Step 3: Cross multiply
132,459.41x = 182,794.84 × 72,030.71 - Step 4: Simplify right side
132,459.41x = 13,166,841,015.49 - Step 5: Solve for x
x = 13,166,841,015.49/132,459.41 - Step 6: Final answer
x = 99,402.84
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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.