Finding the Fourth Proportional to 302,142.33, 453,413.14 and 142,263.99
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Solution
The fourth proportional to 302,142.33, 453,413.14 and 142,263.99 is: 213,489.99
Step by Step Solution
- Step 1: Write the proportion equation
302,142.33 : 453,413.14 = 142,263.99 : x - Step 2: Convert to fraction form
302,142.33/453,413.14 = 142,263.99/x - Step 3: Cross multiply
302,142.33x = 453,413.14 × 142,263.99 - Step 4: Simplify right side
302,142.33x = 64,504,362,414.83 - Step 5: Solve for x
x = 64,504,362,414.83/302,142.33 - Step 6: Final answer
x = 213,489.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.