Finding the Fourth Proportional to 270,317.15, 405,642.49 and 137,292.88
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Solution
The fourth proportional to 270,317.15, 405,642.49 and 137,292.88 is: 206,024.02
Step by Step Solution
- Step 1: Write the proportion equation
270,317.15 : 405,642.49 = 137,292.88 : x - Step 2: Convert to fraction form
270,317.15/405,642.49 = 137,292.88/x - Step 3: Cross multiply
270,317.15x = 405,642.49 × 137,292.88 - Step 4: Simplify right side
270,317.15x = 55,691,825,702.47 - Step 5: Solve for x
x = 55,691,825,702.47/270,317.15 - Step 6: Final answer
x = 206,024.02
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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.