Finding the Fourth Proportional to 98,327.38, 147,514.76 and 28,206.08
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Solution
The fourth proportional to 98,327.38, 147,514.76 and 28,206.08 is: 42,315.92
Step by Step Solution
- Step 1: Write the proportion equation
98,327.38 : 147,514.76 = 28,206.08 : x - Step 2: Convert to fraction form
98,327.38/147,514.76 = 28,206.08/x - Step 3: Cross multiply
98,327.38x = 147,514.76 × 28,206.08 - Step 4: Simplify right side
98,327.38x = 4,160,813,121.74 - Step 5: Solve for x
x = 4,160,813,121.74/98,327.38 - Step 6: Final answer
x = 42,315.92
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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.