Finding the Fourth Proportional to 363,814.48, 498,428.14 and 350,178.49
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Solution
The fourth proportional to 363,814.48, 498,428.14 and 350,178.49 is: 479,746.75
Step by Step Solution
- Step 1: Write the proportion equation
363,814.48 : 498,428.14 = 350,178.49 : x - Step 2: Convert to fraction form
363,814.48/498,428.14 = 350,178.49/x - Step 3: Cross multiply
363,814.48x = 498,428.14 × 350,178.49 - Step 4: Simplify right side
363,814.48x = 174,538,813,438.71 - Step 5: Solve for x
x = 174,538,813,438.71/363,814.48 - Step 6: Final answer
x = 479,746.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.