Finding the Fourth Proportional to 302,150.25, 453,128.58 and 99,701.08
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Solution
The fourth proportional to 302,150.25, 453,128.58 and 99,701.08 is: 149,519.68
Step by Step Solution
- Step 1: Write the proportion equation
302,150.25 : 453,128.58 = 99,701.08 : x - Step 2: Convert to fraction form
302,150.25/453,128.58 = 99,701.08/x - Step 3: Cross multiply
302,150.25x = 453,128.58 × 99,701.08 - Step 4: Simplify right side
302,150.25x = 45,177,407,672.05 - Step 5: Solve for x
x = 45,177,407,672.05/302,150.25 - Step 6: Final answer
x = 149,519.68
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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.