Finding the Fourth Proportional to 327,690.93, 491,603.48 and 125,272.68
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Solution
The fourth proportional to 327,690.93, 491,603.48 and 125,272.68 is: 187,934.66
Step by Step Solution
- Step 1: Write the proportion equation
327,690.93 : 491,603.48 = 125,272.68 : x - Step 2: Convert to fraction form
327,690.93/491,603.48 = 125,272.68/x - Step 3: Cross multiply
327,690.93x = 491,603.48 × 125,272.68 - Step 4: Simplify right side
327,690.93x = 61,584,483,436.82 - Step 5: Solve for x
x = 61,584,483,436.82/327,690.93 - Step 6: Final answer
x = 187,934.66
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1.5x scale
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.