Finding the Fourth Proportional to 193,152.06, 289,703.40 and 74,742.36
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Solution
The fourth proportional to 193,152.06, 289,703.40 and 74,742.36 is: 112,103.99
Step by Step Solution
- Step 1: Write the proportion equation
193,152.06 : 289,703.40 = 74,742.36 : x - Step 2: Convert to fraction form
193,152.06/289,703.40 = 74,742.36/x - Step 3: Cross multiply
193,152.06x = 289,703.40 × 74,742.36 - Step 4: Simplify right side
193,152.06x = 21,653,115,816.02 - Step 5: Solve for x
x = 21,653,115,816.02/193,152.06 - Step 6: Final answer
x = 112,103.99
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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.