Finding the Fourth Proportional to 343,352.10, 515,246.85 and 201,197.10
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Solution
The fourth proportional to 343,352.10, 515,246.85 and 201,197.10 is: 301,923.80
Step by Step Solution
- Step 1: Write the proportion equation
343,352.10 : 515,246.85 = 201,197.10 : x - Step 2: Convert to fraction form
343,352.10/515,246.85 = 201,197.10/x - Step 3: Cross multiply
343,352.10x = 515,246.85 × 201,197.10 - Step 4: Simplify right side
343,352.10x = 103,666,172,004.14 - Step 5: Solve for x
x = 103,666,172,004.14/343,352.10 - Step 6: Final answer
x = 301,923.80
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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.