Finding the Fourth Proportional to 411,949.10, 617,232.45 and 201,133.10
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Solution
The fourth proportional to 411,949.10, 617,232.45 and 201,133.10 is: 301,362.17
Step by Step Solution
- Step 1: Write the proportion equation
411,949.10 : 617,232.45 = 201,133.10 : x - Step 2: Convert to fraction form
411,949.10/617,232.45 = 201,133.10/x - Step 3: Cross multiply
411,949.10x = 617,232.45 × 201,133.10 - Step 4: Simplify right side
411,949.10x = 124,145,876,089.10 - Step 5: Solve for x
x = 124,145,876,089.10/411,949.10 - Step 6: Final answer
x = 301,362.17
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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.