Finding the Fourth Proportional to 545,720.88, 818,541.36 and 171,850.80
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Solution
The fourth proportional to 545,720.88, 818,541.36 and 171,850.80 is: 257,763.62
Step by Step Solution
- Step 1: Write the proportion equation
545,720.88 : 818,541.36 = 171,850.80 : x - Step 2: Convert to fraction form
545,720.88/818,541.36 = 171,850.80/x - Step 3: Cross multiply
545,720.88x = 818,541.36 × 171,850.80 - Step 4: Simplify right side
545,720.88x = 140,666,987,549.09 - Step 5: Solve for x
x = 140,666,987,549.09/545,720.88 - Step 6: Final answer
x = 257,763.62
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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.