Finding the Fourth Proportional to 531,816.99, 733,912.12 and 290,100.66
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Solution
The fourth proportional to 531,816.99, 733,912.12 and 290,100.66 is: 400,341.46
Step by Step Solution
- Step 1: Write the proportion equation
531,816.99 : 733,912.12 = 290,100.66 : x - Step 2: Convert to fraction form
531,816.99/733,912.12 = 290,100.66/x - Step 3: Cross multiply
531,816.99x = 733,912.12 × 290,100.66 - Step 4: Simplify right side
531,816.99x = 212,908,390,394.00 - Step 5: Solve for x
x = 212,908,390,394.00/531,816.99 - Step 6: Final answer
x = 400,341.46
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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.