Finding the Fourth Proportional to 252,476.28, 348,434.34 and 145,089.12
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Solution
The fourth proportional to 252,476.28, 348,434.34 and 145,089.12 is: 200,232.80
Step by Step Solution
- Step 1: Write the proportion equation
252,476.28 : 348,434.34 = 145,089.12 : x - Step 2: Convert to fraction form
252,476.28/348,434.34 = 145,089.12/x - Step 3: Cross multiply
252,476.28x = 348,434.34 × 145,089.12 - Step 4: Simplify right side
252,476.28x = 50,554,031,768.38 - Step 5: Solve for x
x = 50,554,031,768.38/252,476.28 - Step 6: Final answer
x = 200,232.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.