Finding the Fourth Proportional to 659,329.25, 988,939.19 and 210,031.97
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Solution
The fourth proportional to 659,329.25, 988,939.19 and 210,031.97 is: 315,030.53
Step by Step Solution
- Step 1: Write the proportion equation
659,329.25 : 988,939.19 = 210,031.97 : x - Step 2: Convert to fraction form
659,329.25/988,939.19 = 210,031.97/x - Step 3: Cross multiply
659,329.25x = 988,939.19 × 210,031.97 - Step 4: Simplify right side
659,329.25x = 207,708,840,291.05 - Step 5: Solve for x
x = 207,708,840,291.05/659,329.25 - Step 6: Final answer
x = 315,030.53
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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.