Finding the Fourth Proportional to 411,101.10, 616,651.65 and 201,149.10
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Solution
The fourth proportional to 411,101.10, 616,651.65 and 201,149.10 is: 301,723.65
Step by Step Solution
- Step 1: Write the proportion equation
411,101.10 : 616,651.65 = 201,149.10 : x - Step 2: Convert to fraction form
411,101.10/616,651.65 = 201,149.10/x - Step 3: Cross multiply
411,101.10x = 616,651.65 × 201,149.10 - Step 4: Simplify right side
411,101.10x = 124,038,924,411.02 - Step 5: Solve for x
x = 124,038,924,411.02/411,101.10 - Step 6: Final answer
x = 301,723.65
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Similar ratio
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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.