Finding the Fourth Proportional to 355,071.36, 489,995.80 and 193,926.48
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Solution
The fourth proportional to 355,071.36, 489,995.80 and 193,926.48 is: 267,617.08
Step by Step Solution
- Step 1: Write the proportion equation
355,071.36 : 489,995.80 = 193,926.48 : x - Step 2: Convert to fraction form
355,071.36/489,995.80 = 193,926.48/x - Step 3: Cross multiply
355,071.36x = 489,995.80 × 193,926.48 - Step 4: Simplify right side
355,071.36x = 95,023,160,708.78 - Step 5: Solve for x
x = 95,023,160,708.78/355,071.36 - Step 6: Final answer
x = 267,617.08
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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.