Finding the Fourth Proportional to 508,984.70, 702,485.26 and 294,249.65
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Solution
The fourth proportional to 508,984.70, 702,485.26 and 294,249.65 is: 406,114.45
Step by Step Solution
- Step 1: Write the proportion equation
508,984.70 : 702,485.26 = 294,249.65 : x - Step 2: Convert to fraction form
508,984.70/702,485.26 = 294,249.65/x - Step 3: Cross multiply
508,984.70x = 702,485.26 × 294,249.65 - Step 4: Simplify right side
508,984.70x = 206,706,037,637.11 - Step 5: Solve for x
x = 206,706,037,637.11/508,984.70 - Step 6: Final answer
x = 406,114.45
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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.