Finding the Fourth Proportional to 298,396.19, 447,599.01 and 166,117.21
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Solution
The fourth proportional to 298,396.19, 447,599.01 and 166,117.21 is: 249,178.45
Step by Step Solution
- Step 1: Write the proportion equation
298,396.19 : 447,599.01 = 166,117.21 : x - Step 2: Convert to fraction form
298,396.19/447,599.01 = 166,117.21/x - Step 3: Cross multiply
298,396.19x = 447,599.01 × 166,117.21 - Step 4: Simplify right side
298,396.19x = 74,353,900,761.65 - Step 5: Solve for x
x = 74,353,900,761.65/298,396.19 - Step 6: Final answer
x = 249,178.45
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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.