Finding the Fourth Proportional to 178,889.68, 246,607.64 and 125,007.48
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Solution
The fourth proportional to 178,889.68, 246,607.64 and 125,007.48 is: 172,328.55
Step by Step Solution
- Step 1: Write the proportion equation
178,889.68 : 246,607.64 = 125,007.48 : x - Step 2: Convert to fraction form
178,889.68/246,607.64 = 125,007.48/x - Step 3: Cross multiply
178,889.68x = 246,607.64 × 125,007.48 - Step 4: Simplify right side
178,889.68x = 30,827,799,625.15 - Step 5: Solve for x
x = 30,827,799,625.15/178,889.68 - Step 6: Final answer
x = 172,328.55
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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.