Finding the Fourth Proportional to 204,430.20, 306,062.10 and 125,698.20
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Solution
The fourth proportional to 204,430.20, 306,062.10 and 125,698.20 is: 188,188.71
Step by Step Solution
- Step 1: Write the proportion equation
204,430.20 : 306,062.10 = 125,698.20 : x - Step 2: Convert to fraction form
204,430.20/306,062.10 = 125,698.20/x - Step 3: Cross multiply
204,430.20x = 306,062.10 × 125,698.20 - Step 4: Simplify right side
204,430.20x = 38,471,455,058.22 - Step 5: Solve for x
x = 38,471,455,058.22/204,430.20 - Step 6: Final answer
x = 188,188.71
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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.