Finding the Fourth Proportional to 249,704.11, 374,120.18 and 207,853.23
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Solution
The fourth proportional to 249,704.11, 374,120.18 and 207,853.23 is: 311,416.93
Step by Step Solution
- Step 1: Write the proportion equation
249,704.11 : 374,120.18 = 207,853.23 : x - Step 2: Convert to fraction form
249,704.11/374,120.18 = 207,853.23/x - Step 3: Cross multiply
249,704.11x = 374,120.18 × 207,853.23 - Step 4: Simplify right side
249,704.11x = 77,762,086,781.92 - Step 5: Solve for x
x = 77,762,086,781.92/249,704.11 - Step 6: Final answer
x = 311,416.93
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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.