Finding the Fourth Proportional to 178,339.68, 265,915.08 and 173,440.80
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Solution
The fourth proportional to 178,339.68, 265,915.08 and 173,440.80 is: 258,610.56
Step by Step Solution
- Step 1: Write the proportion equation
178,339.68 : 265,915.08 = 173,440.80 : x - Step 2: Convert to fraction form
178,339.68/265,915.08 = 173,440.80/x - Step 3: Cross multiply
178,339.68x = 265,915.08 × 173,440.80 - Step 4: Simplify right side
178,339.68x = 46,120,524,207.26 - Step 5: Solve for x
x = 46,120,524,207.26/178,339.68 - Step 6: Final answer
x = 258,610.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.