Finding the Fourth Proportional to 178,968.48, 246,971.28 and 98,395.92
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Solution
The fourth proportional to 178,968.48, 246,971.28 and 98,395.92 is: 135,783.50
Step by Step Solution
- Step 1: Write the proportion equation
178,968.48 : 246,971.28 = 98,395.92 : x - Step 2: Convert to fraction form
178,968.48/246,971.28 = 98,395.92/x - Step 3: Cross multiply
178,968.48x = 246,971.28 × 98,395.92 - Step 4: Simplify right side
178,968.48x = 24,300,966,309.18 - Step 5: Solve for x
x = 24,300,966,309.18/178,968.48 - Step 6: Final answer
x = 135,783.50
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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.