Finding the Fourth Proportional to 180,135.12, 248,532.12 and 104,669.04
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Solution
The fourth proportional to 180,135.12, 248,532.12 and 104,669.04 is: 144,411.70
Step by Step Solution
- Step 1: Write the proportion equation
180,135.12 : 248,532.12 = 104,669.04 : x - Step 2: Convert to fraction form
180,135.12/248,532.12 = 104,669.04/x - Step 3: Cross multiply
180,135.12x = 248,532.12 × 104,669.04 - Step 4: Simplify right side
180,135.12x = 26,013,618,409.56 - Step 5: Solve for x
x = 26,013,618,409.56/180,135.12 - Step 6: Final answer
x = 144,411.70
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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.