Finding the Fourth Proportional to 227,642.79, 314,400.86 and 177,261.60
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Solution
The fourth proportional to 227,642.79, 314,400.86 and 177,261.60 is: 244,818.65
Step by Step Solution
- Step 1: Write the proportion equation
227,642.79 : 314,400.86 = 177,261.60 : x - Step 2: Convert to fraction form
227,642.79/314,400.86 = 177,261.60/x - Step 3: Cross multiply
227,642.79x = 314,400.86 × 177,261.60 - Step 4: Simplify right side
227,642.79x = 55,731,199,484.98 - Step 5: Solve for x
x = 55,731,199,484.98/227,642.79 - Step 6: Final answer
x = 244,818.65
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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.