Finding the Fourth Proportional to 302,452.14, 453,678.21 and 124,963.75
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Solution
The fourth proportional to 302,452.14, 453,678.21 and 124,963.75 is: 187,445.62
Step by Step Solution
- Step 1: Write the proportion equation
302,452.14 : 453,678.21 = 124,963.75 : x - Step 2: Convert to fraction form
302,452.14/453,678.21 = 124,963.75/x - Step 3: Cross multiply
302,452.14x = 453,678.21 × 124,963.75 - Step 4: Simplify right side
302,452.14x = 56,693,330,981.99 - Step 5: Solve for x
x = 56,693,330,981.99/302,452.14 - Step 6: Final answer
x = 187,445.62
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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.