Finding the Fourth Proportional to 293,629.98, 405,242.99 and 164,603.30
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Solution
The fourth proportional to 293,629.98, 405,242.99 and 164,603.30 is: 227,171.40
Step by Step Solution
- Step 1: Write the proportion equation
293,629.98 : 405,242.99 = 164,603.30 : x - Step 2: Convert to fraction form
293,629.98/405,242.99 = 164,603.30/x - Step 3: Cross multiply
293,629.98x = 405,242.99 × 164,603.30 - Step 4: Simplify right side
293,629.98x = 66,704,333,455.87 - Step 5: Solve for x
x = 66,704,333,455.87/293,629.98 - Step 6: Final answer
x = 227,171.40
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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.