Finding the Fourth Proportional to 531,729.94, 733,784.49 and 290,008.18
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Solution
The fourth proportional to 531,729.94, 733,784.49 and 290,008.18 is: 400,209.75
Step by Step Solution
- Step 1: Write the proportion equation
531,729.94 : 733,784.49 = 290,008.18 : x - Step 2: Convert to fraction form
531,729.94/733,784.49 = 290,008.18/x - Step 3: Cross multiply
531,729.94x = 733,784.49 × 290,008.18 - Step 4: Simplify right side
531,729.94x = 212,803,504,457.13 - Step 5: Solve for x
x = 212,803,504,457.13/531,729.94 - Step 6: Final answer
x = 400,209.75
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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.