Finding the Fourth Proportional to 178,934.21, 246,930.01 and 98,366.93
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Solution
The fourth proportional to 178,934.21, 246,930.01 and 98,366.93 is: 135,746.80
Step by Step Solution
- Step 1: Write the proportion equation
178,934.21 : 246,930.01 = 98,366.93 : x - Step 2: Convert to fraction form
178,934.21/246,930.01 = 98,366.93/x - Step 3: Cross multiply
178,934.21x = 246,930.01 × 98,366.93 - Step 4: Simplify right side
178,934.21x = 24,289,747,008.57 - Step 5: Solve for x
x = 24,289,747,008.57/178,934.21 - Step 6: Final answer
x = 135,746.80
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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.