Finding the Fourth Proportional to 178,381.97, 246,174.56 and 97,812.59
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Solution
The fourth proportional to 178,381.97, 246,174.56 and 97,812.59 is: 134,985.45
Step by Step Solution
- Step 1: Write the proportion equation
178,381.97 : 246,174.56 = 97,812.59 : x - Step 2: Convert to fraction form
178,381.97/246,174.56 = 97,812.59/x - Step 3: Cross multiply
178,381.97x = 246,174.56 × 97,812.59 - Step 4: Simplify right side
178,381.97x = 24,078,969,952.57 - Step 5: Solve for x
x = 24,078,969,952.57/178,381.97 - Step 6: Final answer
x = 134,985.45
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1.5x scale
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.