Finding the Fourth Proportional to 178,934.64, 246,930.10 and 98,362.68
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Solution
The fourth proportional to 178,934.64, 246,930.10 and 98,362.68 is: 135,740.66
Step by Step Solution
- Step 1: Write the proportion equation
178,934.64 : 246,930.10 = 98,362.68 : x - Step 2: Convert to fraction form
178,934.64/246,930.10 = 98,362.68/x - Step 3: Cross multiply
178,934.64x = 246,930.10 × 98,362.68 - Step 4: Simplify right side
178,934.64x = 24,288,706,408.67 - Step 5: Solve for x
x = 24,288,706,408.67/178,934.64 - Step 6: Final answer
x = 135,740.66
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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.