Finding the Fourth Proportional to 490,455.88, 735,286.80 and 153,322.96
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Solution
The fourth proportional to 490,455.88, 735,286.80 and 153,322.96 is: 229,860.33
Step by Step Solution
- Step 1: Write the proportion equation
490,455.88 : 735,286.80 = 153,322.96 : x - Step 2: Convert to fraction form
490,455.88/735,286.80 = 153,322.96/x - Step 3: Cross multiply
490,455.88x = 735,286.80 × 153,322.96 - Step 4: Simplify right side
490,455.88x = 112,736,348,624.93 - Step 5: Solve for x
x = 112,736,348,624.93/490,455.88 - Step 6: Final answer
x = 229,860.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.