Finding the Fourth Proportional to 178,903.62, 246,889.53 and 98,338.59
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Solution
The fourth proportional to 178,903.62, 246,889.53 and 98,338.59 is: 135,708.65
Step by Step Solution
- Step 1: Write the proportion equation
178,903.62 : 246,889.53 = 98,338.59 : x - Step 2: Convert to fraction form
178,903.62/246,889.53 = 98,338.59/x - Step 3: Cross multiply
178,903.62x = 246,889.53 × 98,338.59 - Step 4: Simplify right side
178,903.62x = 24,278,768,265.96 - Step 5: Solve for x
x = 24,278,768,265.96/178,903.62 - Step 6: Final answer
x = 135,708.65
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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.