Finding the Fourth Proportional to 343,798.99, 474,418.85 and 190,825.16
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Solution
The fourth proportional to 343,798.99, 474,418.85 and 190,825.16 is: 263,325.53
Step by Step Solution
- Step 1: Write the proportion equation
343,798.99 : 474,418.85 = 190,825.16 : x - Step 2: Convert to fraction form
343,798.99/474,418.85 = 190,825.16/x - Step 3: Cross multiply
343,798.99x = 474,418.85 × 190,825.16 - Step 4: Simplify right side
343,798.99x = 90,531,049,632.05 - Step 5: Solve for x
x = 90,531,049,632.05/343,798.99 - Step 6: Final answer
x = 263,325.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.