Finding the Fourth Proportional to 445,643.13, 668,328.08 and 161,299.65
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Solution
The fourth proportional to 445,643.13, 668,328.08 and 161,299.65 is: 241,900.03
Step by Step Solution
- Step 1: Write the proportion equation
445,643.13 : 668,328.08 = 161,299.65 : x - Step 2: Convert to fraction form
445,643.13/668,328.08 = 161,299.65/x - Step 3: Cross multiply
445,643.13x = 668,328.08 × 161,299.65 - Step 4: Simplify right side
445,643.13x = 107,801,084,582.67 - Step 5: Solve for x
x = 107,801,084,582.67/445,643.13 - Step 6: Final answer
x = 241,900.03
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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.