Finding the Fourth Proportional to 148,251.77, 204,587.17 and 80,268.81
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Solution
The fourth proportional to 148,251.77, 204,587.17 and 80,268.81 is: 110,770.80
Step by Step Solution
- Step 1: Write the proportion equation
148,251.77 : 204,587.17 = 80,268.81 : x - Step 2: Convert to fraction form
148,251.77/204,587.17 = 80,268.81/x - Step 3: Cross multiply
148,251.77x = 204,587.17 × 80,268.81 - Step 4: Simplify right side
148,251.77x = 16,421,967,709.29 - Step 5: Solve for x
x = 16,421,967,709.29/148,251.77 - Step 6: Final answer
x = 110,770.80
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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.