Finding the Fourth Proportional to 178,984.13, 246,991.77 and 98,411.09
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Solution
The fourth proportional to 178,984.13, 246,991.77 and 98,411.09 is: 135,803.82
Step by Step Solution
- Step 1: Write the proportion equation
178,984.13 : 246,991.77 = 98,411.09 : x - Step 2: Convert to fraction form
178,984.13/246,991.77 = 98,411.09/x - Step 3: Cross multiply
178,984.13x = 246,991.77 × 98,411.09 - Step 4: Simplify right side
178,984.13x = 24,306,728,071.77 - Step 5: Solve for x
x = 24,306,728,071.77/178,984.13 - Step 6: Final answer
x = 135,803.82
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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.