Finding the Fourth Proportional to 178,391.08, 246,177.66 and 102,937.96
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Solution
The fourth proportional to 178,391.08, 246,177.66 and 102,937.96 is: 142,053.21
Step by Step Solution
- Step 1: Write the proportion equation
178,391.08 : 246,177.66 = 102,937.96 : x - Step 2: Convert to fraction form
178,391.08/246,177.66 = 102,937.96/x - Step 3: Cross multiply
178,391.08x = 246,177.66 × 102,937.96 - Step 4: Simplify right side
178,391.08x = 25,341,026,117.97 - Step 5: Solve for x
x = 25,341,026,117.97/178,391.08 - Step 6: Final answer
x = 142,053.21
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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.