Finding the Fourth Proportional to 351,998.80, 527,998.20 and 174,533.20
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Solution
The fourth proportional to 351,998.80, 527,998.20 and 174,533.20 is: 261,799.80
Step by Step Solution
- Step 1: Write the proportion equation
351,998.80 : 527,998.20 = 174,533.20 : x - Step 2: Convert to fraction form
351,998.80/527,998.20 = 174,533.20/x - Step 3: Cross multiply
351,998.80x = 527,998.20 × 174,533.20 - Step 4: Simplify right side
351,998.80x = 92,153,215,440.24 - Step 5: Solve for x
x = 92,153,215,440.24/351,998.80 - Step 6: Final answer
x = 261,799.80
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.