Finding the Fourth Proportional to 270,790.40, 373,687.68 and 149,934.08
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Solution
The fourth proportional to 270,790.40, 373,687.68 and 149,934.08 is: 206,907.33
Step by Step Solution
- Step 1: Write the proportion equation
270,790.40 : 373,687.68 = 149,934.08 : x - Step 2: Convert to fraction form
270,790.40/373,687.68 = 149,934.08/x - Step 3: Cross multiply
270,790.40x = 373,687.68 × 149,934.08 - Step 4: Simplify right side
270,790.40x = 56,028,518,508.13 - Step 5: Solve for x
x = 56,028,518,508.13/270,790.40 - Step 6: Final answer
x = 206,907.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.