Finding the Fourth Proportional to 178,682.13, 246,584.76 and 98,117.91
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Solution
The fourth proportional to 178,682.13, 246,584.76 and 98,117.91 is: 135,404.59
Step by Step Solution
- Step 1: Write the proportion equation
178,682.13 : 246,584.76 = 98,117.91 : x - Step 2: Convert to fraction form
178,682.13/246,584.76 = 98,117.91/x - Step 3: Cross multiply
178,682.13x = 246,584.76 × 98,117.91 - Step 4: Simplify right side
178,682.13x = 24,194,381,289.05 - Step 5: Solve for x
x = 24,194,381,289.05/178,682.13 - Step 6: Final answer
x = 135,404.59
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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.