Finding the Fourth Proportional to 490,235.74, 735,395.99 and 135,249.77
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Solution
The fourth proportional to 490,235.74, 735,395.99 and 135,249.77 is: 202,886.35
Step by Step Solution
- Step 1: Write the proportion equation
490,235.74 : 735,395.99 = 135,249.77 : x - Step 2: Convert to fraction form
490,235.74/735,395.99 = 135,249.77/x - Step 3: Cross multiply
490,235.74x = 735,395.99 × 135,249.77 - Step 4: Simplify right side
490,235.74x = 99,462,139,668.66 - Step 5: Solve for x
x = 99,462,139,668.66/490,235.74 - Step 6: Final answer
x = 202,886.35
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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.