Finding the Fourth Proportional to 193,271.76, 289,530.36 and 133,158.42
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Solution
The fourth proportional to 193,271.76, 289,530.36 and 133,158.42 is: 199,477.70
Step by Step Solution
- Step 1: Write the proportion equation
193,271.76 : 289,530.36 = 133,158.42 : x - Step 2: Convert to fraction form
193,271.76/289,530.36 = 133,158.42/x - Step 3: Cross multiply
193,271.76x = 289,530.36 × 133,158.42 - Step 4: Simplify right side
193,271.76x = 38,553,405,279.63 - Step 5: Solve for x
x = 38,553,405,279.63/193,271.76 - Step 6: Final answer
x = 199,477.70
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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.