Finding the Fourth Proportional to 436,762.14, 655,143.01 and 121,218.95
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Solution
The fourth proportional to 436,762.14, 655,143.01 and 121,218.95 is: 181,828.37
Step by Step Solution
- Step 1: Write the proportion equation
436,762.14 : 655,143.01 = 121,218.95 : x - Step 2: Convert to fraction form
436,762.14/655,143.01 = 121,218.95/x - Step 3: Cross multiply
436,762.14x = 655,143.01 × 121,218.95 - Step 4: Simplify right side
436,762.14x = 79,415,747,772.04 - Step 5: Solve for x
x = 79,415,747,772.04/436,762.14 - Step 6: Final answer
x = 181,828.37
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1.5x scale
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.