Finding the Fourth Proportional to 178,457.14, 246,315.63 and 121,193.38
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Solution
The fourth proportional to 178,457.14, 246,315.63 and 121,193.38 is: 167,277.27
Step by Step Solution
- Step 1: Write the proportion equation
178,457.14 : 246,315.63 = 121,193.38 : x - Step 2: Convert to fraction form
178,457.14/246,315.63 = 121,193.38/x - Step 3: Cross multiply
178,457.14x = 246,315.63 × 121,193.38 - Step 4: Simplify right side
178,457.14x = 29,851,823,746.53 - Step 5: Solve for x
x = 29,851,823,746.53/178,457.14 - Step 6: Final answer
x = 167,277.27
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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.