Finding the Fourth Proportional to 202,856.48, 279,847.74 and 131,259.62
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Solution
The fourth proportional to 202,856.48, 279,847.74 and 131,259.62 is: 181,077.32
Step by Step Solution
- Step 1: Write the proportion equation
202,856.48 : 279,847.74 = 131,259.62 : x - Step 2: Convert to fraction form
202,856.48/279,847.74 = 131,259.62/x - Step 3: Cross multiply
202,856.48x = 279,847.74 × 131,259.62 - Step 4: Simplify right side
202,856.48x = 36,732,708,010.26 - Step 5: Solve for x
x = 36,732,708,010.26/202,856.48 - Step 6: Final answer
x = 181,077.32
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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.