Finding the Fourth Proportional to 98,239.24, 147,358.62 and 28,118.44
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Solution
The fourth proportional to 98,239.24, 147,358.62 and 28,118.44 is: 42,177.59
Step by Step Solution
- Step 1: Write the proportion equation
98,239.24 : 147,358.62 = 28,118.44 : x - Step 2: Convert to fraction form
98,239.24/147,358.62 = 28,118.44/x - Step 3: Cross multiply
98,239.24x = 147,358.62 × 28,118.44 - Step 4: Simplify right side
98,239.24x = 4,143,494,514.95 - Step 5: Solve for x
x = 4,143,494,514.95/98,239.24 - Step 6: Final answer
x = 42,177.59
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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.