Finding the Fourth Proportional to 178,989.68, 268,316.84 and 60,578.12
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Solution
The fourth proportional to 178,989.68, 268,316.84 and 60,578.12 is: 90,810.43
Step by Step Solution
- Step 1: Write the proportion equation
178,989.68 : 268,316.84 = 60,578.12 : x - Step 2: Convert to fraction form
178,989.68/268,316.84 = 60,578.12/x - Step 3: Cross multiply
178,989.68x = 268,316.84 × 60,578.12 - Step 4: Simplify right side
178,989.68x = 16,254,129,731.54 - Step 5: Solve for x
x = 16,254,129,731.54/178,989.68 - Step 6: Final answer
x = 90,810.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.