Finding the Fourth Proportional to 350,984.75, 484,358.99 and 189,839.81
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Solution
The fourth proportional to 350,984.75, 484,358.99 and 189,839.81 is: 261,978.95
Step by Step Solution
- Step 1: Write the proportion equation
350,984.75 : 484,358.99 = 189,839.81 : x - Step 2: Convert to fraction form
350,984.75/484,358.99 = 189,839.81/x - Step 3: Cross multiply
350,984.75x = 484,358.99 × 189,839.81 - Step 4: Simplify right side
350,984.75x = 91,950,615,262.40 - Step 5: Solve for x
x = 91,950,615,262.40/350,984.75 - Step 6: Final answer
x = 261,978.95
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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.