Finding the Fourth Proportional to 207,777.60, 286,741.44 and 117,136.92
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Solution
The fourth proportional to 207,777.60, 286,741.44 and 117,136.92 is: 161,653.66
Step by Step Solution
- Step 1: Write the proportion equation
207,777.60 : 286,741.44 = 117,136.92 : x - Step 2: Convert to fraction form
207,777.60/286,741.44 = 117,136.92/x - Step 3: Cross multiply
207,777.60x = 286,741.44 × 117,136.92 - Step 4: Simplify right side
207,777.60x = 33,588,009,117.96 - Step 5: Solve for x
x = 33,588,009,117.96/207,777.60 - Step 6: Final answer
x = 161,653.66
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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.