Finding the Fourth Proportional to 363,564.74, 545,376.27 and 126,902.18
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Solution
The fourth proportional to 363,564.74, 545,376.27 and 126,902.18 is: 190,363.45
Step by Step Solution
- Step 1: Write the proportion equation
363,564.74 : 545,376.27 = 126,902.18 : x - Step 2: Convert to fraction form
363,564.74/545,376.27 = 126,902.18/x - Step 3: Cross multiply
363,564.74x = 545,376.27 × 126,902.18 - Step 4: Simplify right side
363,564.74x = 69,209,437,583.27 - Step 5: Solve for x
x = 69,209,437,583.27/363,564.74 - Step 6: Final answer
x = 190,363.45
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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.