Finding the Fourth Proportional to 178,415.97, 246,191.40 and 97,822.29
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Solution
The fourth proportional to 178,415.97, 246,191.40 and 97,822.29 is: 134,982.35
Step by Step Solution
- Step 1: Write the proportion equation
178,415.97 : 246,191.40 = 97,822.29 : x - Step 2: Convert to fraction form
178,415.97/246,191.40 = 97,822.29/x - Step 3: Cross multiply
178,415.97x = 246,191.40 × 97,822.29 - Step 4: Simplify right side
178,415.97x = 24,083,006,526.31 - Step 5: Solve for x
x = 24,083,006,526.31/178,415.97 - Step 6: Final answer
x = 134,982.35
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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.