Finding the Fourth Proportional to 193,247.70, 289,871.55 and 88,271.70
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Solution
The fourth proportional to 193,247.70, 289,871.55 and 88,271.70 is: 132,407.55
Step by Step Solution
- Step 1: Write the proportion equation
193,247.70 : 289,871.55 = 88,271.70 : x - Step 2: Convert to fraction form
193,247.70/289,871.55 = 88,271.70/x - Step 3: Cross multiply
193,247.70x = 289,871.55 × 88,271.70 - Step 4: Simplify right side
193,247.70x = 25,587,454,500.14 - Step 5: Solve for x
x = 25,587,454,500.14/193,247.70 - Step 6: Final answer
x = 132,407.55
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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.