Finding the Fourth Proportional to 313,691.98, 432,893.99 and 170,452.46
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Solution
The fourth proportional to 313,691.98, 432,893.99 and 170,452.46 is: 235,223.88
Step by Step Solution
- Step 1: Write the proportion equation
313,691.98 : 432,893.99 = 170,452.46 : x - Step 2: Convert to fraction form
313,691.98/432,893.99 = 170,452.46/x - Step 3: Cross multiply
313,691.98x = 432,893.99 × 170,452.46 - Step 4: Simplify right side
313,691.98x = 73,787,845,514.72 - Step 5: Solve for x
x = 73,787,845,514.72/313,691.98 - Step 6: Final answer
x = 235,223.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.