Finding the Fourth Proportional to 226,318.66, 312,314.73 and 122,950.19
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Solution
The fourth proportional to 226,318.66, 312,314.73 and 122,950.19 is: 169,668.53
Step by Step Solution
- Step 1: Write the proportion equation
226,318.66 : 312,314.73 = 122,950.19 : x - Step 2: Convert to fraction form
226,318.66/312,314.73 = 122,950.19/x - Step 3: Cross multiply
226,318.66x = 312,314.73 × 122,950.19 - Step 4: Simplify right side
226,318.66x = 38,399,155,538.77 - Step 5: Solve for x
x = 38,399,155,538.77/226,318.66 - Step 6: Final answer
x = 169,668.53
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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.