Finding the Fourth Proportional to 354,727.30, 531,996.99 and 141,486.70
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Solution
The fourth proportional to 354,727.30, 531,996.99 and 141,486.70 is: 212,192.57
Step by Step Solution
- Step 1: Write the proportion equation
354,727.30 : 531,996.99 = 141,486.70 : x - Step 2: Convert to fraction form
354,727.30/531,996.99 = 141,486.70/x - Step 3: Cross multiply
354,727.30x = 531,996.99 × 141,486.70 - Step 4: Simplify right side
354,727.30x = 75,270,498,525.03 - Step 5: Solve for x
x = 75,270,498,525.03/354,727.30 - Step 6: Final answer
x = 212,192.57
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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.