Finding the Fourth Proportional to 674,163.14, 930,349.95 and 372,357.14
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Solution
The fourth proportional to 674,163.14, 930,349.95 and 372,357.14 is: 513,855.51
Step by Step Solution
- Step 1: Write the proportion equation
674,163.14 : 930,349.95 = 372,357.14 : x - Step 2: Convert to fraction form
674,163.14/930,349.95 = 372,357.14/x - Step 3: Cross multiply
674,163.14x = 930,349.95 × 372,357.14 - Step 4: Simplify right side
674,163.14x = 346,422,446,581.14 - Step 5: Solve for x
x = 346,422,446,581.14/674,163.14 - Step 6: Final answer
x = 513,855.51
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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.