Finding the Fourth Proportional to 399,842.26, 599,868.41 and 143,700.68
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Solution
The fourth proportional to 399,842.26, 599,868.41 and 143,700.68 is: 215,588.76
Step by Step Solution
- Step 1: Write the proportion equation
399,842.26 : 599,868.41 = 143,700.68 : x - Step 2: Convert to fraction form
399,842.26/599,868.41 = 143,700.68/x - Step 3: Cross multiply
399,842.26x = 599,868.41 × 143,700.68 - Step 4: Simplify right side
399,842.26x = 86,201,498,624.18 - Step 5: Solve for x
x = 86,201,498,624.18/399,842.26 - Step 6: Final answer
x = 215,588.76
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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.