Finding the Fourth Proportional to 178,358.88, 246,094.82 and 121,006.02
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Solution
The fourth proportional to 178,358.88, 246,094.82 and 121,006.02 is: 166,960.88
Step by Step Solution
- Step 1: Write the proportion equation
178,358.88 : 246,094.82 = 121,006.02 : x - Step 2: Convert to fraction form
178,358.88/246,094.82 = 121,006.02/x - Step 3: Cross multiply
178,358.88x = 246,094.82 × 121,006.02 - Step 4: Simplify right side
178,358.88x = 29,778,954,710.82 - Step 5: Solve for x
x = 29,778,954,710.82/178,358.88 - Step 6: Final answer
x = 166,960.88
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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.