Finding the Fourth Proportional to 135,126.42, 202,693.75 and 46,378.66
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Solution
The fourth proportional to 135,126.42, 202,693.75 and 46,378.66 is: 69,569.40
Step by Step Solution
- Step 1: Write the proportion equation
135,126.42 : 202,693.75 = 46,378.66 : x - Step 2: Convert to fraction form
135,126.42/202,693.75 = 46,378.66/x - Step 3: Cross multiply
135,126.42x = 202,693.75 × 46,378.66 - Step 4: Simplify right side
135,126.42x = 9,400,664,515.38 - Step 5: Solve for x
x = 9,400,664,515.38/135,126.42 - Step 6: Final answer
x = 69,569.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.