Finding the Fourth Proportional to 436,956.99, 655,471.05 and 121,413.93
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Solution
The fourth proportional to 436,956.99, 655,471.05 and 121,413.93 is: 182,130.78
Step by Step Solution
- Step 1: Write the proportion equation
436,956.99 : 655,471.05 = 121,413.93 : x - Step 2: Convert to fraction form
436,956.99/655,471.05 = 121,413.93/x - Step 3: Cross multiply
436,956.99x = 655,471.05 × 121,413.93 - Step 4: Simplify right side
436,956.99x = 79,583,316,181.73 - Step 5: Solve for x
x = 79,583,316,181.73/436,956.99 - Step 6: Final answer
x = 182,130.78
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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.