Finding the Fourth Proportional to 490,235.94, 735,396.27 and 135,249.96
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Solution
The fourth proportional to 490,235.94, 735,396.27 and 135,249.96 is: 202,886.63
Step by Step Solution
- Step 1: Write the proportion equation
490,235.94 : 735,396.27 = 135,249.96 : x - Step 2: Convert to fraction form
490,235.94/735,396.27 = 135,249.96/x - Step 3: Cross multiply
490,235.94x = 735,396.27 × 135,249.96 - Step 4: Simplify right side
490,235.94x = 99,462,316,101.65 - Step 5: Solve for x
x = 99,462,316,101.65/490,235.94 - Step 6: Final answer
x = 202,886.63
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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.