Finding the Fourth Proportional to 150,706.80, 225,865.80 and 115,471.80
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Solution
The fourth proportional to 150,706.80, 225,865.80 and 115,471.80 is: 173,058.75
Step by Step Solution
- Step 1: Write the proportion equation
150,706.80 : 225,865.80 = 115,471.80 : x - Step 2: Convert to fraction form
150,706.80/225,865.80 = 115,471.80/x - Step 3: Cross multiply
150,706.80x = 225,865.80 × 115,471.80 - Step 4: Simplify right side
150,706.80x = 26,081,130,484.44 - Step 5: Solve for x
x = 26,081,130,484.44/150,706.80 - Step 6: Final answer
x = 173,058.75
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1.5x scale
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.