Finding the Fourth Proportional to 286,303.71, 428,893.83 and 233,052.99
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Solution
The fourth proportional to 286,303.71, 428,893.83 and 233,052.99 is: 349,122.23
Step by Step Solution
- Step 1: Write the proportion equation
286,303.71 : 428,893.83 = 233,052.99 : x - Step 2: Convert to fraction form
286,303.71/428,893.83 = 233,052.99/x - Step 3: Cross multiply
286,303.71x = 428,893.83 × 233,052.99 - Step 4: Simplify right side
286,303.71x = 99,954,988,308.79 - Step 5: Solve for x
x = 99,954,988,308.79/286,303.71 - Step 6: Final answer
x = 349,122.23
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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.