Finding the Fourth Proportional to 106,578.81, 159,918.08 and 46,599.53
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Solution
The fourth proportional to 106,578.81, 159,918.08 and 46,599.53 is: 69,921.09
Step by Step Solution
- Step 1: Write the proportion equation
106,578.81 : 159,918.08 = 46,599.53 : x - Step 2: Convert to fraction form
106,578.81/159,918.08 = 46,599.53/x - Step 3: Cross multiply
106,578.81x = 159,918.08 × 46,599.53 - Step 4: Simplify right side
106,578.81x = 7,452,106,333.91 - Step 5: Solve for x
x = 7,452,106,333.91/106,578.81 - Step 6: Final answer
x = 69,921.09
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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.