Finding the Fourth Proportional to 646,127.93, 969,191.67 and 172,800.99
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Solution
The fourth proportional to 646,127.93, 969,191.67 and 172,800.99 is: 259,201.42
Step by Step Solution
- Step 1: Write the proportion equation
646,127.93 : 969,191.67 = 172,800.99 : x - Step 2: Convert to fraction form
646,127.93/969,191.67 = 172,800.99/x - Step 3: Cross multiply
646,127.93x = 969,191.67 × 172,800.99 - Step 4: Simplify right side
646,127.93x = 167,477,280,075.75 - Step 5: Solve for x
x = 167,477,280,075.75/646,127.93 - Step 6: Final answer
x = 259,201.42
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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.