Finding the Fourth Proportional to 202,205.12, 279,132.54 and 130,620.04
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Solution
The fourth proportional to 202,205.12, 279,132.54 and 130,620.04 is: 180,313.45
Step by Step Solution
- Step 1: Write the proportion equation
202,205.12 : 279,132.54 = 130,620.04 : x - Step 2: Convert to fraction form
202,205.12/279,132.54 = 130,620.04/x - Step 3: Cross multiply
202,205.12x = 279,132.54 × 130,620.04 - Step 4: Simplify right side
202,205.12x = 36,460,303,540.10 - Step 5: Solve for x
x = 36,460,303,540.10/202,205.12 - Step 6: Final answer
x = 180,313.45
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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.