Finding the Fourth Proportional to 422,272.22, 582,746.99 and 238,496.05
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Solution
The fourth proportional to 422,272.22, 582,746.99 and 238,496.05 is: 329,130.94
Step by Step Solution
- Step 1: Write the proportion equation
422,272.22 : 582,746.99 = 238,496.05 : x - Step 2: Convert to fraction form
422,272.22/582,746.99 = 238,496.05/x - Step 3: Cross multiply
422,272.22x = 582,746.99 × 238,496.05 - Step 4: Simplify right side
422,272.22x = 138,982,852,615.04 - Step 5: Solve for x
x = 138,982,852,615.04/422,272.22 - Step 6: Final answer
x = 329,130.94
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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.