Finding the Fourth Proportional to 376,629.99, 519,864.58 and 223,693.08
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Solution
The fourth proportional to 376,629.99, 519,864.58 and 223,693.08 is: 308,764.87
Step by Step Solution
- Step 1: Write the proportion equation
376,629.99 : 519,864.58 = 223,693.08 : x - Step 2: Convert to fraction form
376,629.99/519,864.58 = 223,693.08/x - Step 3: Cross multiply
376,629.99x = 519,864.58 × 223,693.08 - Step 4: Simplify right side
376,629.99x = 116,290,107,413.23 - Step 5: Solve for x
x = 116,290,107,413.23/376,629.99 - Step 6: Final answer
x = 308,764.87
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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.