Finding the Fourth Proportional to 112,554.26, 155,325.09 and 61,567.26
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Solution
The fourth proportional to 112,554.26, 155,325.09 and 61,567.26 is: 84,962.94
Step by Step Solution
- Step 1: Write the proportion equation
112,554.26 : 155,325.09 = 61,567.26 : x - Step 2: Convert to fraction form
112,554.26/155,325.09 = 61,567.26/x - Step 3: Cross multiply
112,554.26x = 155,325.09 × 61,567.26 - Step 4: Simplify right side
112,554.26x = 9,562,940,200.55 - Step 5: Solve for x
x = 9,562,940,200.55/112,554.26 - Step 6: Final answer
x = 84,962.94
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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.