Finding the Fourth Proportional to 193,133.60, 289,750.80 and 74,808.80
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Solution
The fourth proportional to 193,133.60, 289,750.80 and 74,808.80 is: 112,232.72
Step by Step Solution
- Step 1: Write the proportion equation
193,133.60 : 289,750.80 = 74,808.80 : x - Step 2: Convert to fraction form
193,133.60/289,750.80 = 74,808.80/x - Step 3: Cross multiply
193,133.60x = 289,750.80 × 74,808.80 - Step 4: Simplify right side
193,133.60x = 21,675,909,647.04 - Step 5: Solve for x
x = 21,675,909,647.04/193,133.60 - Step 6: Final answer
x = 112,232.72
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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.