Finding the Fourth Proportional to 154,729.67, 232,111.85 and 138,836.99
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Solution
The fourth proportional to 154,729.67, 232,111.85 and 138,836.99 is: 208,271.04
Step by Step Solution
- Step 1: Write the proportion equation
154,729.67 : 232,111.85 = 138,836.99 : x - Step 2: Convert to fraction form
154,729.67/232,111.85 = 138,836.99/x - Step 3: Cross multiply
154,729.67x = 232,111.85 × 138,836.99 - Step 4: Simplify right side
154,729.67x = 32,225,708,742.59 - Step 5: Solve for x
x = 32,225,708,742.59/154,729.67 - Step 6: Final answer
x = 208,271.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.