Finding the Fourth Proportional to 132,799.63, 183,258.16 and 72,368.99
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Solution
The fourth proportional to 132,799.63, 183,258.16 and 72,368.99 is: 99,866.30
Step by Step Solution
- Step 1: Write the proportion equation
132,799.63 : 183,258.16 = 72,368.99 : x - Step 2: Convert to fraction form
132,799.63/183,258.16 = 72,368.99/x - Step 3: Cross multiply
132,799.63x = 183,258.16 × 72,368.99 - Step 4: Simplify right side
132,799.63x = 13,262,207,948.46 - Step 5: Solve for x
x = 13,262,207,948.46/132,799.63 - Step 6: Final answer
x = 99,866.30
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1.5x scale
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.