Finding the Fourth Proportional to 303,727.21, 455,245.14 and 134,994.08
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Solution
The fourth proportional to 303,727.21, 455,245.14 and 134,994.08 is: 202,337.48
Step by Step Solution
- Step 1: Write the proportion equation
303,727.21 : 455,245.14 = 134,994.08 : x - Step 2: Convert to fraction form
303,727.21/455,245.14 = 134,994.08/x - Step 3: Cross multiply
303,727.21x = 455,245.14 × 134,994.08 - Step 4: Simplify right side
303,727.21x = 61,455,398,848.77 - Step 5: Solve for x
x = 61,455,398,848.77/303,727.21 - Step 6: Final answer
x = 202,337.48
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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.