Finding the Fourth Proportional to 305,183.13, 457,799.60 and 153,302.08
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Solution
The fourth proportional to 305,183.13, 457,799.60 and 153,302.08 is: 229,965.63
Step by Step Solution
- Step 1: Write the proportion equation
305,183.13 : 457,799.60 = 153,302.08 : x - Step 2: Convert to fraction form
305,183.13/457,799.60 = 153,302.08/x - Step 3: Cross multiply
305,183.13x = 457,799.60 × 153,302.08 - Step 4: Simplify right side
305,183.13x = 70,181,630,903.17 - Step 5: Solve for x
x = 70,181,630,903.17/305,183.13 - Step 6: Final answer
x = 229,965.63
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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.