Finding the Fourth Proportional to 178,108.13, 245,794.77 and 97,543.30
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Solution
The fourth proportional to 178,108.13, 245,794.77 and 97,543.30 is: 134,612.79
Step by Step Solution
- Step 1: Write the proportion equation
178,108.13 : 245,794.77 = 97,543.30 : x - Step 2: Convert to fraction form
178,108.13/245,794.77 = 97,543.30/x - Step 3: Cross multiply
178,108.13x = 245,794.77 × 97,543.30 - Step 4: Simplify right side
178,108.13x = 23,975,631,759.57 - Step 5: Solve for x
x = 23,975,631,759.57/178,108.13 - Step 6: Final answer
x = 134,612.79
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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.