Finding the Fourth Proportional to 397,775.22, 596,603.55 and 131,537.13
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Solution
The fourth proportional to 397,775.22, 596,603.55 and 131,537.13 is: 197,286.09
Step by Step Solution
- Step 1: Write the proportion equation
397,775.22 : 596,603.55 = 131,537.13 : x - Step 2: Convert to fraction form
397,775.22/596,603.55 = 131,537.13/x - Step 3: Cross multiply
397,775.22x = 596,603.55 × 131,537.13 - Step 4: Simplify right side
397,775.22x = 78,475,518,714.81 - Step 5: Solve for x
x = 78,475,518,714.81/397,775.22 - Step 6: Final answer
x = 197,286.09
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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.