Finding the Fourth Proportional to 302,612.40, 453,918.60 and 201,135.60
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Solution
The fourth proportional to 302,612.40, 453,918.60 and 201,135.60 is: 301,703.40
Step by Step Solution
- Step 1: Write the proportion equation
302,612.40 : 453,918.60 = 201,135.60 : x - Step 2: Convert to fraction form
302,612.40/453,918.60 = 201,135.60/x - Step 3: Cross multiply
302,612.40x = 453,918.60 × 201,135.60 - Step 4: Simplify right side
302,612.40x = 91,299,189,962.16 - Step 5: Solve for x
x = 91,299,189,962.16/302,612.40 - Step 6: Final answer
x = 301,703.40
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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.