Finding the Fourth Proportional to 132,799.09, 183,258.08 and 72,368.50
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Solution
The fourth proportional to 132,799.09, 183,258.08 and 72,368.50 is: 99,865.99
Step by Step Solution
- Step 1: Write the proportion equation
132,799.09 : 183,258.08 = 72,368.50 : x - Step 2: Convert to fraction form
132,799.09/183,258.08 = 72,368.50/x - Step 3: Cross multiply
132,799.09x = 183,258.08 × 72,368.50 - Step 4: Simplify right side
132,799.09x = 13,262,111,446.19 - Step 5: Solve for x
x = 13,262,111,446.19/132,799.09 - Step 6: Final answer
x = 99,865.99
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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.