Finding the Fourth Proportional to 326,785.24, 489,968.07 and 126,892.63
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Solution
The fourth proportional to 326,785.24, 489,968.07 and 126,892.63 is: 190,257.48
Step by Step Solution
- Step 1: Write the proportion equation
326,785.24 : 489,968.07 = 126,892.63 : x - Step 2: Convert to fraction form
326,785.24/489,968.07 = 126,892.63/x - Step 3: Cross multiply
326,785.24x = 489,968.07 × 126,892.63 - Step 4: Simplify right side
326,785.24x = 62,173,337,018.32 - Step 5: Solve for x
x = 62,173,337,018.32/326,785.24 - Step 6: Final answer
x = 190,257.48
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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.