Finding the Fourth Proportional to 199,514.18, 299,271.61 and 159,785.84
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Solution
The fourth proportional to 199,514.18, 299,271.61 and 159,785.84 is: 239,679.03
Step by Step Solution
- Step 1: Write the proportion equation
199,514.18 : 299,271.61 = 159,785.84 : x - Step 2: Convert to fraction form
199,514.18/299,271.61 = 159,785.84/x - Step 3: Cross multiply
199,514.18x = 299,271.61 × 159,785.84 - Step 4: Simplify right side
199,514.18x = 47,819,365,592.00 - Step 5: Solve for x
x = 47,819,365,592.00/199,514.18 - Step 6: Final answer
x = 239,679.03
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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.