Finding the Fourth Proportional to 293,593.12, 405,133.75 and 162,774.26
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Solution
The fourth proportional to 293,593.12, 405,133.75 and 162,774.26 is: 224,614.75
Step by Step Solution
- Step 1: Write the proportion equation
293,593.12 : 405,133.75 = 162,774.26 : x - Step 2: Convert to fraction form
293,593.12/405,133.75 = 162,774.26/x - Step 3: Cross multiply
293,593.12x = 405,133.75 × 162,774.26 - Step 4: Simplify right side
293,593.12x = 65,945,346,357.28 - Step 5: Solve for x
x = 65,945,346,357.28/293,593.12 - Step 6: Final answer
x = 224,614.75
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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.