Finding the Fourth Proportional to 178,984.29, 246,991.68 and 98,407.02
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Solution
The fourth proportional to 178,984.29, 246,991.68 and 98,407.02 is: 135,798.04
Step by Step Solution
- Step 1: Write the proportion equation
178,984.29 : 246,991.68 = 98,407.02 : x - Step 2: Convert to fraction form
178,984.29/246,991.68 = 98,407.02/x - Step 3: Cross multiply
178,984.29x = 246,991.68 × 98,407.02 - Step 4: Simplify right side
178,984.29x = 24,305,715,193.59 - Step 5: Solve for x
x = 24,305,715,193.59/178,984.29 - Step 6: Final answer
x = 135,798.04
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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.