Finding the Fourth Proportional to 354,066.06, 531,320.49 and 143,703.99
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Solution
The fourth proportional to 354,066.06, 531,320.49 and 143,703.99 is: 215,645.84
Step by Step Solution
- Step 1: Write the proportion equation
354,066.06 : 531,320.49 = 143,703.99 : x - Step 2: Convert to fraction form
354,066.06/531,320.49 = 143,703.99/x - Step 3: Cross multiply
354,066.06x = 531,320.49 × 143,703.99 - Step 4: Simplify right side
354,066.06x = 76,352,874,381.76 - Step 5: Solve for x
x = 76,352,874,381.76/354,066.06 - Step 6: Final answer
x = 215,645.84
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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.