Finding the Fourth Proportional to 284,909.08, 427,573.60 and 135,149.80
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Solution
The fourth proportional to 284,909.08, 427,573.60 and 135,149.80 is: 202,824.31
Step by Step Solution
- Step 1: Write the proportion equation
284,909.08 : 427,573.60 = 135,149.80 : x - Step 2: Convert to fraction form
284,909.08/427,573.60 = 135,149.80/x - Step 3: Cross multiply
284,909.08x = 427,573.60 × 135,149.80 - Step 4: Simplify right side
284,909.08x = 57,786,486,525.28 - Step 5: Solve for x
x = 57,786,486,525.28/284,909.08 - Step 6: Final answer
x = 202,824.31
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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.