Finding the Fourth Proportional to 147,467.13, 221,201.51 and 36,659.13
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Solution
The fourth proportional to 147,467.13, 221,201.51 and 36,659.13 is: 54,988.90
Step by Step Solution
- Step 1: Write the proportion equation
147,467.13 : 221,201.51 = 36,659.13 : x - Step 2: Convert to fraction form
147,467.13/221,201.51 = 36,659.13/x - Step 3: Cross multiply
147,467.13x = 221,201.51 × 36,659.13 - Step 4: Simplify right side
147,467.13x = 8,109,054,911.29 - Step 5: Solve for x
x = 8,109,054,911.29/147,467.13 - Step 6: Final answer
x = 54,988.90
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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.